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From: "sjames at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109469] New: [13 regression] ICE: internal compiler error: verify_flow_info failed (error: returns_twice call is not first in basic block 2) Date: Tue, 11 Apr 2023 06:39:18 +0000 [thread overview] Message-ID: <bug-109469-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109469 Bug ID: 109469 Summary: [13 regression] ICE: internal compiler error: verify_flow_info failed (error: returns_twice call is not first in basic block 2) Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: sjames at gcc dot gnu.org Target Milestone: --- Hit this when building xdvik-22.87.06 with 13.0.1 20230409 w/ checking. ``` x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I./gui -DPS_GS -I/usr/include/freetype2 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include -Wimplicit -Wreturn-type -O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type -ggdb3 -Werror=implicit-function-declaration -Werror=implicit-int -Wformat -Waddress -Warray-bounds -Wfree-nonheap-object -Wimplicit-function-declaration -Wimplicit-int -Wincompatible-pointer-types -Wint-conversion -Wint-to-pointer-cast -Wmain -Wnonnull -Wodr -Wparentheses -Wreturn-type -Wsizeof-pointer-memaccess -Wstrict-aliasing -Wstring-compare -Wuninitialized -Wunused-value -Wvarargs -c -o util.o util.c util.c: In function ‘fork_process’: util.c:988:1: error: returns_twice call is not first in basic block 25 988 | fork_process(const char *proc_name, Boolean redirect_stdout, | ^~~~~~~~~~~~ pid_96 = vfork (); during GIMPLE pass: slp util.c:988:1: internal compiler error: verify_flow_info failed 0x7aa668 verify_flow_info() /usr/src/debug/sys-devel/gcc-13.0.1_pre20230409-r1/gcc-13-20230409/gcc/cfghooks.cc:285 0x151e50d execute_function_todo /usr/src/debug/sys-devel/gcc-13.0.1_pre20230409-r1/gcc-13-20230409/gcc/passes.cc:2110 0x1485fd1 do_per_function /usr/src/debug/sys-devel/gcc-13.0.1_pre20230409-r1/gcc-13-20230409/gcc/passes.cc:1694 0x1485fd1 execute_todo /usr/src/debug/sys-devel/gcc-13.0.1_pre20230409-r1/gcc-13-20230409/gcc/passes.cc:2152 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://bugs.gentoo.org/> for instructions. ```
next reply other threads:[~2023-04-11 6:39 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-04-11 6:39 sjames at gcc dot gnu.org [this message] 2023-04-11 6:40 ` [Bug tree-optimization/109469] " sjames at gcc dot gnu.org 2023-04-11 6:40 ` sjames at gcc dot gnu.org 2023-04-11 6:41 ` sjames at gcc dot gnu.org 2023-04-11 6:41 ` sjames at gcc dot gnu.org 2023-04-11 6:43 ` sjames at gcc dot gnu.org 2023-04-11 13:11 ` amonakov at gcc dot gnu.org 2023-04-11 13:39 ` rguenth at gcc dot gnu.org 2023-04-12 6:05 ` [Bug tree-optimization/109469] [13 regression] ICE: internal compiler error: verify_flow_info failed (error: returns_twice call is not first in basic block 2) when building xdvik amonakov at gcc dot gnu.org 2023-04-12 6:49 ` cvs-commit at gcc dot gnu.org 2023-04-12 6:51 ` rguenth at gcc dot gnu.org 2023-04-12 6:51 ` rguenth at gcc dot gnu.org 2023-04-17 9:14 ` [Bug tree-optimization/109469] [12 " cvs-commit at gcc dot gnu.org 2023-04-17 9:17 ` rguenth at gcc dot gnu.org
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