https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111967
Bug ID: 111967
Summary: [12/13/14 Regression] during GIMPLE pass: evrp ICE: in
operator[], at vec.h:910 with -O2 -fno-tree-forwprop
-fdump-tree-evrp-all
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 56193
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56193&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fno-tree-forwprop -fdump-tree-evrp-all
testcase.c
during GIMPLE pass: evrp
dump file: a-testcase.c.041t.evrp
testcase.c: In function 'Append':
testcase.c:12:1: internal compiler error: in operator[], at vec.h:910
12 | }
| ^
0xd68814 vec<edge_def*, va_gc, vl_embed>::operator[](unsigned int)
/repo/gcc-trunk/gcc/vec.h:910
0xd68c11 vec<tree_node*, va_gc, vl_embed>::operator[](unsigned int)
/repo/gcc-trunk/gcc/tree.h:3742
0xd68c11 block_range_cache::dump(_IO_FILE*, basic_block_def*, bool)
/repo/gcc-trunk/gcc/gimple-range-cache.cc:490
0x256f97e ranger_cache::dump_bb(_IO_FILE*, basic_block_def*)
/repo/gcc-trunk/gcc/gimple-range-cache.cc:1000
0x256ae12 gimple_ranger::dump_bb(_IO_FILE*, basic_block_def*)
/repo/gcc-trunk/gcc/gimple-range.cc:630
0x256ba15 gimple_ranger::dump(_IO_FILE*)
/repo/gcc-trunk/gcc/gimple-range.cc:706
0x17c7de8 execute_ranger_vrp(function*, bool, bool)
/repo/gcc-trunk/gcc/tree-vrp.cc:1066
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-4893-20231024164508-g99a6c1065de-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-4893-20231024164508-g99a6c1065de-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231024 (experimental) (GCC)
