https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79150
Bug ID: 79150
Summary: ICE: in commit_one_edge_insertion, at cfgrtl.c:2077
for the gcc.dg/pr77834.c test
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: toma.tabacu at imgtec dot com
Target Milestone: ---
gcc.dg/pr77834.c has been failing on mips-mti-elf and mips-mti-linux-gnu with
the default options since around 7 November (I haven't checked, but I assume
it's since it was committed) with the following ICE:
gcc/gcc/testsuite/gcc.dg/pr77834.c: In function ‘foo’:
gcc/gcc/testsuite/gcc.dg/pr77834.c:18:1: internal compiler error: in
commit_one_edge_insertion, at cfgrtl.c:2077
}
^
0x8e76c4 commit_one_edge_insertion(edge_def*)
gcc/gcc/cfgrtl.c:2077
0x8c7665 execute
gcc/gcc/cfgexpand.c:6430
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Here's the compiler version:
$ ~/obj-mips-mti-linux-gnu/gcc/gcc/xgcc -v
Using built-in specs.
COLLECT_GCC=~/obj-mips-mti-linux-gnu/gcc/gcc/xgcc
Target: mips-mti-linux-gnu
Configured with: ~/src/gcc/configure CFLAGS='-O0 -g3' CXXFLAGS='-O0 -g3'
--prefix=~/install-mips-mti-linux-gnu --disable-multilib
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-libssp
--disable-libmudflap --disable-decimal-float --with-mips-plt
--target=mips-mti-linux-gnu --enable-languages=c,c++,fortran
--with-sysroot=~/install-mips-mti-linux-gnu/sysroot --enable-__cxa_atexit
--enable-checking=all
Thread model: posix
gcc version 7.0.0 20170119 (experimental) (GCC)
I've looked into this a little, but I'd appreciate some help.
Sorry for being so late in reporting this.
