[gcc/devel/rust/master] ci: update ubuntu version

[gcc/devel/rust/master] ci: update ubuntu version

[Thomas Schwinge]

https://gcc.gnu.org/g:d10d3dc997b672452d0dbd98804abd380484a1dd

commit d10d3dc997b672452d0dbd98804abd380484a1dd
Author: ArshErgon <arshergon@gmail.com>
Date:   Tue Dec 13 16:56:47 2022 +0430

    ci: update ubuntu version
    
    This updates the CI to use ubuntu's latest LTS release, 22.04
    
    ChangeLog:
    
            * .github/bors_log_expected_warnings: Update warnings.
            * .github/workflows/bootstrap.yml: Update Ubuntu version to 22.04.
            * .github/workflows/ccpp.yml: Likewise.

Diff:
---
 .github/bors_log_expected_warnings | 196 +++++++++++--------------------------
 .github/workflows/bootstrap.yml    |   2 +-
 .github/workflows/ccpp.yml         |   4 +-
 3 files changed, 61 insertions(+), 141 deletions(-)

diff --git a/.github/bors_log_expected_warnings b/.github/bors_log_expected_warnings
index 742356cef7b..8e1f41d3d73 100644
--- a/.github/bors_log_expected_warnings
+++ b/.github/bors_log_expected_warnings
@@ -1,152 +1,72 @@
 ../../../../libffi/src/x86/ffi.c:612:1: warning: label ‘out’ defined but not used [-Wunused-label]
-../../../libcpp/expr.cc:822:18: warning: format not a string literal and no format arguments [-Wformat-security]
-../../../libcpp/expr.cc:825:39: warning: format not a string literal and no format arguments [-Wformat-security]
-../../../libcpp/expr.cc:835:34: warning: format not a string literal and no format arguments [-Wformat-security]
-../../../libcpp/macro.cc:186:23: warning: format not a string literal and no format arguments [-Wformat-security]
-../../../libcpp/macro.cc:215:24: warning: format not a string literal and no format arguments [-Wformat-security]
-../../../libcpp/macro.cc:3704:58: warning: format not a string literal and no format arguments [-Wformat-security]
-../../../libcpp/macro.cc:3719:58: warning: format not a string literal and no format arguments [-Wformat-security]
+../../../../libgcc/generic-morestack.c:397:16: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘long int’ [-Wsign-compare]
+../../../libcpp/expr.cc:821:35: warning: format not a string literal and no format arguments [-Wformat-security]
+../../../libcpp/expr.cc:824:38: warning: format not a string literal and no format arguments [-Wformat-security]
+../../../libcpp/expr.cc:834:33: warning: format not a string literal and no format arguments [-Wformat-security]
+../../../libcpp/lex.cc:2117:39: warning: ‘loc’ may be used uninitialized [-Wmaybe-uninitialized]
+../../../libcpp/macro.cc:185:26: warning: format not a string literal and no format arguments [-Wformat-security]
+../../../libcpp/macro.cc:214:34: warning: format not a string literal and no format arguments [-Wformat-security]
+../../../libcpp/macro.cc:3704:25: warning: format not a string literal and no format arguments [-Wformat-security]
+../../../libcpp/macro.cc:3719:25: warning: format not a string literal and no format arguments [-Wformat-security]
 ../../../libffi/src/java_raw_api.c:317:3: warning: ‘ffi_java_raw_to_ptrarray’ is deprecated [-Wdeprecated-declarations]
 ../../../libffi/src/java_raw_api.c:328:3: warning: ‘ffi_java_raw_size’ is deprecated [-Wdeprecated-declarations]
 ../../../libffi/src/java_raw_api.c:331:3: warning: ‘ffi_java_ptrarray_to_raw’ is deprecated [-Wdeprecated-declarations]
 ../../../libffi/src/java_raw_api.c:369:3: warning: ‘ffi_prep_java_raw_closure_loc’ is deprecated [-Wdeprecated-declarations]
 ../../../libffi/src/x86/ffi64.c:783:1: warning: label ‘out’ defined but not used [-Wunused-label]
 ../../../libffi/src/x86/ffiw64.c:250:1: warning: label ‘out’ defined but not used [-Wunused-label]
-../../c++tools/server.cc:490:11: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
-../../c++tools/server.cc:620:10: warning: ignoring return value of ‘int pipe(int*)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/../libgcc/libgcov-util.c:455:9: warning: ignoring return value of ‘int chdir(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/analyzer/call-summary.cc:113:20: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/call-summary.cc:113:28: warning: unknown conversion type character ‘E’ in format [-Wformat=]
-../../gcc/analyzer/call-summary.cc:115:20: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/call-summary.cc:115:28: warning: unknown conversion type character ‘E’ in format [-Wformat=]
-../../gcc/analyzer/call-summary.cc:115:40: warning: unknown conversion type character ‘E’ in format [-Wformat=]
+../../c++tools/server.cc:490:11: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../c++tools/server.cc:620:10: warning: ignoring return value of ‘int pipe(int*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/../libgcc/libgcov-util.c:455:9: warning: ignoring return value of ‘int chdir(const char*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/analyzer/call-summary.cc:113:34: warning: too many arguments for format [-Wformat-extra-args]
+../../gcc/analyzer/call-summary.cc:113:42: warning: unknown conversion type character ‘E’ in format [-Wformat=]
+../../gcc/analyzer/call-summary.cc:115:34: warning: too many arguments for format [-Wformat-extra-args]
+../../gcc/analyzer/call-summary.cc:115:42: warning: unknown conversion type character ‘E’ in format [-Wformat=]
+../../gcc/analyzer/call-summary.cc:115:54: warning: unknown conversion type character ‘E’ in format [-Wformat=]
 ../../gcc/analyzer/call-summary.cc:123:18: warning: too many arguments for format [-Wformat-extra-args]
 ../../gcc/analyzer/call-summary.cc:123:26: warning: unknown conversion type character ‘E’ in format [-Wformat=]
-../../gcc/analyzer/call-summary.cc:99:11: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/call-summary.cc:99:19: warning: unknown conversion type character ‘E’ in format [-Wformat=]
+../../gcc/analyzer/call-summary.cc:99:32: warning: too many arguments for format [-Wformat-extra-args]
+../../gcc/analyzer/call-summary.cc:99:40: warning: unknown conversion type character ‘E’ in format [-Wformat=]
 ../../gcc/analyzer/diagnostic-manager.cc:774:20: warning: too many arguments for format [-Wformat-extra-args]
 ../../gcc/analyzer/diagnostic-manager.cc:774:28: warning: unknown conversion type character ‘E’ in format [-Wformat=]
-../../gcc/analyzer/engine.cc:1807:3: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/engine.cc:1807:60: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/program-state.cc:1398:20: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/analyzer/sm-fd.cc:501:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-fd.cc:501:63: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-fd.cc:504:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-fd.cc:504:59: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-fd.cc:642:34: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-fd.cc:642:70: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-fd.cc:711:54: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-fd.cc:711:6: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-fd.cc:779:49: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-fd.cc:779:4: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-file.cc:203:34: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-file.cc:203:70: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-file.cc:258:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-file.cc:258:63: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-file.cc:261:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-file.cc:261:59: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1023:34: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1023:76: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1120:36: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1120:61: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1303:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1303:67: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1306:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1306:69: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1309:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1310:28: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1385:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1385:66: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1393:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1393:66: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1537:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1538:44: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:1541:31: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:1542:44: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:879:7: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:880:24: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:880:54: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘diagnostic_event_id_t*’ [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:885:7: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:886:23: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-malloc.cc:948:34: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-malloc.cc:948:70: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/sm-sensitive.cc:150:34: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/sm-sensitive.cc:151:22: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/varargs.cc:432:33: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/varargs.cc:432:7: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/varargs.cc:443:26: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/varargs.cc:443:7: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/varargs.cc:507:52: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/varargs.cc:507:7: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/analyzer/varargs.cc:518:45: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/analyzer/varargs.cc:518:7: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/c-family/c-common.cc:6595:30: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/c-family/c-common.cc:6599:33: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/c/c-convert.cc:84:31: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/c/c-typeck.cc:12254:42: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/c/c-typeck.cc:3808:28: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/c/c-typeck.cc:4578:42: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/c/c-typeck.cc:6765:43: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/collect-utils.cc:237:37: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/collect2.cc:2397:37: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/config/i386/i386.cc:21696:32: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/config/i386/i386.cc:21696:32: warning: unknown conversion type character ‘{’ in format [-Wformat=]
-../../gcc/config/i386/i386.cc:21696:32: warning: unknown conversion type character ‘}’ in format [-Wformat=]
-../../gcc/config/i386/i386.cc:2568:8: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/config/i386/i386.cc:2568:8: warning: unknown conversion type character ‘{’ in format [-Wformat=]
-../../gcc/config/i386/i386.cc:2568:8: warning: unknown conversion type character ‘}’ in format [-Wformat=]
-../../gcc/diagnostic.cc:2237:52: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/fold-const.cc:313:42: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/gcc.cc:10516:12: warning: ignoring return value of ‘ssize_t read(int, void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/gcc.cc:7746:9: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/gcc.cc:7749:13: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/gcc.cc:7750:13: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/gcc.cc:7752:9: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/genhooks.cc:112:17: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/genhooks.cc:121:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/genhooks.cc:174:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/genhooks.cc:180:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/gimple-range-gori.cc:318:22: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/ipa-devirt.cc:965:47: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/lto-wrapper.cc:1147:8: warning: ignoring return value of ‘ssize_t read(int, void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/lto-wrapper.cc:1365:52: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/lto-wrapper.cc:1957:44: warning: format not a string literal and no format arguments [-Wformat-security]
-../../gcc/lto/lto-common.cc:2076:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/lto/lto-common.cc:2078:9: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/lto/lto-common.cc:2098:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
-../../gcc/omp-low.cc:10633:19: warning: ‘T’ conversion used within a quoted sequence [-Wformat=]
-../../gcc/omp-low.cc:1548:23: warning: ‘T’ conversion used within a quoted sequence [-Wformat=]
-../../gcc/omp-low.cc:1553:23: warning: ‘T’ conversion used within a quoted sequence [-Wformat=]
-../../gcc/omp-oacc-kernels-decompose.cc:1501:23: warning: ‘T’ conversion used within a quoted sequence [-Wformat=]
-../../gcc/omp-oacc-kernels-decompose.cc:871:22: warning: ‘T’ conversion used within a quoted sequence [-Wformat=]
-../../gcc/omp-offload.cc:2242:22: warning: ‘T’ conversion used within a quoted sequence [-Wformat=]
-../../gcc/omp-offload.cc:2280:22: warning: ‘T’ conversion used within a quoted sequence [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:176:21: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/tree-diagnostic-path.cc:176:24: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:176:28: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘diagnostic_event_id_t*’ [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:473:11: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘diagnostic_event_id_t*’ [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:473:23: warning: format ‘%D’ expects argument of type ‘tree_node*’, but argument 4 has type ‘const char*’ [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:473:33: warning: format ‘%i’ expects argument of type ‘int’, but argument 5 has type ‘tree’ {aka ‘tree_node*’} [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:473:6: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/tree-diagnostic-path.cc:473:8: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:478:11: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘diagnostic_event_id_t*’ [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:478:21: warning: format ‘%i’ expects argument of type ‘int’, but argument 4 has type ‘const char*’ [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:478:6: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/tree-diagnostic-path.cc:478:8: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:484:11: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:484:14: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘diagnostic_event_id_t*’ [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:484:9: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/tree-diagnostic-path.cc:68:21: warning: too many arguments for format [-Wformat-extra-args]
-../../gcc/tree-diagnostic-path.cc:68:23: warning: unknown conversion type character ‘@’ in format [-Wformat=]
-../../gcc/tree-diagnostic-path.cc:68:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘diagnostic_event_id_t*’ [-Wformat=]
-../../gcc/tree-ssa-sccvn.cc:280:67: warning: format not a string literal and no format arguments [-Wformat-security]
-../../libcpp/expr.cc:822:18: warning: format not a string literal and no format arguments [-Wformat-security]
-../../libcpp/expr.cc:825:39: warning: format not a string literal and no format arguments [-Wformat-security]
-../../libcpp/expr.cc:835:34: warning: format not a string literal and no format arguments [-Wformat-security]
-../../libcpp/macro.cc:186:23: warning: format not a string literal and no format arguments [-Wformat-security]
-../../libcpp/macro.cc:215:24: warning: format not a string literal and no format arguments [-Wformat-security]
-../../libcpp/macro.cc:3704:58: warning: format not a string literal and no format arguments [-Wformat-security]
-../../libcpp/macro.cc:3719:58: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/analyzer/program-state.cc:1398:15: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/c-family/c-common.cc:6595:14: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/c-family/c-common.cc:6599:16: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/c/c-convert.cc:84:13: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/c/c-typeck.cc:12254:16: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/c/c-typeck.cc:3808:17: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/c/c-typeck.cc:4578:16: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/c/c-typeck.cc:6765:23: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/collect-utils.cc:237:21: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/collect2.cc:2397:21: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/diagnostic.cc:2237:15: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/expmed.cc:1838:45: warning: ‘*(unsigned int*)((char*)&imode + offsetof(scalar_int_mode, scalar_int_mode::m_mode))’ may be used uninitialized in this function [-Wmaybe-uninitialized]
+../../gcc/fold-const.cc:313:13: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/gcc.cc:10516:12: warning: ignoring return value of ‘ssize_t read(int, void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/gcc.cc:7746:9: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/gcc.cc:7749:13: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/gcc.cc:7750:13: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/gcc.cc:7752:9: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/genhooks.cc:112:17: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/genhooks.cc:121:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/genhooks.cc:174:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/genhooks.cc:180:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/gimple-range-gori.cc:318:19: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/ipa-devirt.cc:965:10: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/lto-wrapper.cc:1147:8: warning: ignoring return value of ‘ssize_t read(int, void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/lto-wrapper.cc:1365:10: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/lto-wrapper.cc:1957:23: warning: format not a string literal and no format arguments [-Wformat-security]
+../../gcc/lto/lto-common.cc:2076:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/lto/lto-common.cc:2078:9: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/lto/lto-common.cc:2098:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
+../../gcc/tree-ssa-sccvn.cc:280:21: warning: format not a string literal and no format arguments [-Wformat-security]
+../../libcpp/expr.cc:821:35: warning: format not a string literal and no format arguments [-Wformat-security]
+../../libcpp/expr.cc:824:38: warning: format not a string literal and no format arguments [-Wformat-security]
+../../libcpp/expr.cc:834:33: warning: format not a string literal and no format arguments [-Wformat-security]
+../../libcpp/lex.cc:2117:39: warning: ‘loc’ may be used uninitialized [-Wmaybe-uninitialized]
+../../libcpp/macro.cc:185:26: warning: format not a string literal and no format arguments [-Wformat-security]
+../../libcpp/macro.cc:214:34: warning: format not a string literal and no format arguments [-Wformat-security]
+../../libcpp/macro.cc:3704:25: warning: format not a string literal and no format arguments [-Wformat-security]
+../../libcpp/macro.cc:3719:25: warning: format not a string literal and no format arguments [-Wformat-security]
 /home/runner/work/gccrs/gccrs/gccrs-build/x86_64-pc-linux-gnu/32/libssp/../../../../libssp/gets-chk.c:74: warning: the `gets' function is dangerous and should not be used.
 /home/runner/work/gccrs/gccrs/gccrs-build/x86_64-pc-linux-gnu/libssp/../../../libssp/gets-chk.c:74: warning: the `gets' function is dangerous and should not be used.
 Makefile:901: warning: ignoring old recipe for target 'all-multi'
diff --git a/.github/workflows/bootstrap.yml b/.github/workflows/bootstrap.yml
index 8ac4f052187..b8abd896788 100644
--- a/.github/workflows/bootstrap.yml
+++ b/.github/workflows/bootstrap.yml
@@ -7,7 +7,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index c7d27ce2fcd..2805a73cb55 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -15,7 +15,7 @@ jobs:
       # Force locale, in particular for reproducible results re '.github/bors_log_expected_warnings' (see below).
       LC_ALL: C.UTF-8
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -92,7 +92,7 @@ jobs:
       # Force locale, in particular for reproducible results re '.github/bors_log_expected_warnings' (see below).
       LC_ALL: C.UTF-8
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v2