http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55257
Bug #: 55257
Summary: [4.8 Regression]:
g++.dg/debug/dwarf2/non-virtual-thunk.C scan-assembler
thunk.C:30
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Keywords: wrong-debug
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: h...@gcc.gnu.org
CC: ja...@gcc.gnu.org
Host: x86_64-unknown-linux-gnu
Target: cris-axis-elf
Created attachment 28649
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28649
non-virtual-thunk.s
This test previously passed, now it fails.
A patch in the revision range (last_known_working:first_known_failing)
193333:193342 exposed or caused this regression. Since then it fails as
follows:
Running /tmp/hpautotest-gcc0/gcc/gcc/testsuite/g++.dg/debug/dwarf2/dwarf2.exp
...
FAIL: g++.dg/debug/dwarf2/non-virtual-thunk.C -std=gnu++98 scan-assembler
thunk.C:30
FAIL: g++.dg/debug/dwarf2/non-virtual-thunk.C -std=gnu++11 scan-assembler
thunk.C:30
No extra clue in g++.log.
Executing on host:
/tmp/hpautotest-gcc0/cris-elf/gccobj/gcc/testsuite/g++/../../g++
-B/tmp/hpautotest-gcc0/cris-elf/gccobj/gcc/testsuite/g++/../../
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/g++.dg/debug/dwarf2/non-virtual-thunk.C
-fno-diagnostics-show-caret -nostdinc++
-I/tmp/hpautotest-gcc0/cris-elf/gccobj/cris-elf/libstdc++-v3/include/cris-elf
-I/tmp/hpautotest-gcc0/cris-elf/gccobj/cris-elf/libstdc++-v3/include
-I/tmp/hpautotest-gcc0/gcc/libstdc++-v3/libsupc++
-I/tmp/hpautotest-gcc0/gcc/libstdc++-v3/include/backward
-I/tmp/hpautotest-gcc0/gcc/libstdc++-v3/testsuite/util -fmessage-length=0
-std=gnu++98 -g2 -dA -ffat-lto-objects -S -isystem
/tmp/hpautotest-gcc0/cris-elf/gccobj/cris-elf/./newlib/targ-include -isystem
/tmp/hpautotest-gcc0/gcc/newlib/libc/include -o non-virtual-thunk.s
(timeout = 300)
PASS: g++.dg/debug/dwarf2/non-virtual-thunk.C -std=gnu++98 (test for excess
errors)
FAIL: g++.dg/debug/dwarf2/non-virtual-thunk.C -std=gnu++98 scan-assembler
thunk.C:30
(same for -std=gnu++11)
There's no "thunk.C:30" in the assembly file, just lots of:
"<TAB>;#
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/g++.dg/debug/dwarf2/non-virtual-thunk.C:33"
See the attached non-virtual-thunk.s.
Author of suspect patch in revision range CC:ed.
