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* [Bug c/94473] New: internal compiler error: verify_ssa failed
@ 2020-04-03 15:48 florin.iucha at amd dot com
2020-04-03 15:51 ` [Bug c/94473] " marxin at gcc dot gnu.org
2020-04-03 16:10 ` florin.iucha at amd dot com
0 siblings, 2 replies; 3+ messages in thread
From: florin.iucha at amd dot com @ 2020-04-03 15:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94473
Bug ID: 94473
Summary: internal compiler error: verify_ssa failed
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: florin.iucha at amd dot com
Target Milestone: ---
This is a regression between these two versions:
gcc version 10.0.1 20200324 (experimental) (GCC) --- OK
gcc version 10.0.1 20200402 (experimental) (GCC) ---
25839b6af9f10b3227719db35b9e9e38320341e7 fails
It is likely the version that passed was
b599bf9d6d1e180d350b71e51e08a66a1bb1546a but I am not 100% certain.
How to reproduce:
$ git clone https://github.com/glennrp/libpng
$ cd libpng
$ git checkout v1.6.37
$ CC=/opt/gcc10-for-tng/bin/gcc-10 CXX=/opt/gcc10-for-tng/bin/g++-10
./configure
$ make
$ /opt/gcc10-for-tng/bin/gcc-10 -DPNG_INTEL_SSE_OPT=1 -I. -O3 -DNDEBUG -o
pngrutil.opt.o -c pngrutil.c
pngrutil.c: In function 'png_combine_row':
pngrutil.c:3200:1: error: missing definition
3200 | png_combine_row(png_const_structrp png_ptr, png_bytep dp, int display)
| ^~~~~~~~~~~~~~~
for SSA_NAME: _350 in statement:
dp32_155 = _350;
during GIMPLE pass: vect
pngrutil.c:3200:1: internal compiler error: verify_ssa failed
0xff15f2 verify_ssa(bool, bool)
../../gcc/gcc/tree-ssa.c:1208
0xd0abb5 execute_function_todo
../../gcc/gcc/passes.c:1992
0xd0b8fc do_per_function
../../gcc/gcc/passes.c:1640
0xd0b8fc execute_todo
../../gcc/gcc/passes.c:2039
Please submit a full bug report,
with preprocessed source if appropriate.
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2020-04-03 15:48 [Bug c/94473] New: internal compiler error: verify_ssa failed florin.iucha at amd dot com
2020-04-03 15:51 ` [Bug c/94473] " marxin at gcc dot gnu.org
2020-04-03 16:10 ` florin.iucha at amd dot com
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