public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug target/95154] New: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) @ 2020-05-15 14:38 schwab@linux-m68k.org 2020-05-15 15:35 ` [Bug target/95154] " schwab@linux-m68k.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: schwab@linux-m68k.org @ 2020-05-15 14:38 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95154 Bug ID: 95154 Summary: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: schwab@linux-m68k.org Target Milestone: --- Target: ia64-*-* spawn -ignore SIGHUP /usr/local/gcc/gcc-20200515/Build/gcc/testsuite/g++3/../../xg++ -B/usr/local/gcc/gcc-20200515/Build/gcc/testsuite/g++3/../../ /usr/local/gcc/gcc-20200515/gcc/testsuite/g++.dg/abi/pure-virtual1.C -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers -fdiagnostics-color=never -fdiagnostics-urls=never -nostdinc++ -I/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/libstdc++-v3/include/ia64-suse-linux -I/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/libstdc++-v3/include -I/usr/local/gcc/gcc-20200515/libstdc++-v3/libsupc++ -I/usr/local/gcc/gcc-20200515/libstdc++-v3/include/backward -I/usr/local/gcc/gcc-20200515/libstdc++-v3/testsuite/util -fmessage-length=0 -std=c++14 -pedantic-errors -Wno-long-long -fno-rtti -nodefaultlibs -lc -L/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/./libstdc++-v3/src/.libs -B/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/./libstdc++-v3/src/.libs -L/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/./libstdc++-v3/src/.libs -lm -o pure-virtual1.exe /tmp/ccyWJZLT.o:(.data.rel.ro._ZTV1A[_ZTV1A]+0x10): undefined reference to `__cxa_pure_virtual' collect2: error: ld returned 1 exit status compiler exited with status 1 The reference comes from the vtable for A, the weak declaration for __cxa_pure_virtual is missing: .weak _ZTV1A# .section .data.rel.ro._ZTV1A,"awG",@progbits,_ZTV1A,comdat .align 8 .type _ZTV1A#, @object .size _ZTV1A#, 32 _ZTV1A: data8 0 data8 0 data16.ua @iplt(__cxa_pure_virtual#) ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/95154] [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) 2020-05-15 14:38 [Bug target/95154] New: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) schwab@linux-m68k.org @ 2020-05-15 15:35 ` schwab@linux-m68k.org 2020-05-18 5:54 ` rguenth at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: schwab@linux-m68k.org @ 2020-05-15 15:35 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95154 --- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> --- The problem is that when output_constant processes a FDESC_EXPR it calls ASM_OUTPUT_FDESC, which doesn't do weak processing (it doesn't call assemble_external). ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/95154] [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) 2020-05-15 14:38 [Bug target/95154] New: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) schwab@linux-m68k.org 2020-05-15 15:35 ` [Bug target/95154] " schwab@linux-m68k.org @ 2020-05-18 5:54 ` rguenth at gcc dot gnu.org 2020-06-04 8:04 ` cvs-commit at gcc dot gnu.org 2020-06-09 13:18 ` schwab@linux-m68k.org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2020-05-18 5:54 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95154 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |11.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/95154] [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) 2020-05-15 14:38 [Bug target/95154] New: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) schwab@linux-m68k.org 2020-05-15 15:35 ` [Bug target/95154] " schwab@linux-m68k.org 2020-05-18 5:54 ` rguenth at gcc dot gnu.org @ 2020-06-04 8:04 ` cvs-commit at gcc dot gnu.org 2020-06-09 13:18 ` schwab@linux-m68k.org 3 siblings, 0 replies; 5+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2020-06-04 8:04 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95154 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Andreas Schwab <schwab@gcc.gnu.org>: https://gcc.gnu.org/g:9b4e77e807e0099c3cfbf9c5b0c9e4154b9cb7a0 commit r11-896-g9b4e77e807e0099c3cfbf9c5b0c9e4154b9cb7a0 Author: Andreas Schwab <schwab@suse.de> Date: Fri May 15 17:38:30 2020 +0200 Fix missing assemble_external in ASM_OUTPUT_FDESC When TARGET_VTABLE_USES_DESCRIPTORS is defined then function pointers in the vtable are output by ASM_OUTPUT_FDESC. The only current user of this is ia64, but its implementation of ASM_OUTPUT_FDESC lacks a call to assemble_external. Thus if there is no other reference to the function the weak declaration for it will be missing. PR target/95154 * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Call assemble_external. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/95154] [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) 2020-05-15 14:38 [Bug target/95154] New: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) schwab@linux-m68k.org ` (2 preceding siblings ...) 2020-06-04 8:04 ` cvs-commit at gcc dot gnu.org @ 2020-06-09 13:18 ` schwab@linux-m68k.org 3 siblings, 0 replies; 5+ messages in thread From: schwab@linux-m68k.org @ 2020-06-09 13:18 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95154 Andreas Schwab <schwab@linux-m68k.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target|ia64-*-*,*-*-darwin* |ia64-*-* Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> --- Fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-06-09 13:18 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-05-15 14:38 [Bug target/95154] New: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) schwab@linux-m68k.org 2020-05-15 15:35 ` [Bug target/95154] " schwab@linux-m68k.org 2020-05-18 5:54 ` rguenth at gcc dot gnu.org 2020-06-04 8:04 ` cvs-commit at gcc dot gnu.org 2020-06-09 13:18 ` schwab@linux-m68k.org
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).