https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118522
Bug ID: 118522
Summary: ICE: 'verify_gimple' failed: mismatching comparison
operand types with _BitInt(32) cast to double and
compared
Product: gcc
Version: 15.0
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
CC: jakub at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 60180
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60180&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc testcase.c
testcase.c: In function 'foo':
testcase.c:4:1: error: mismatching comparison operand types
4 | foo(unsigned short p)
| ^~~
int
_BitInt(32)
_3 = _1 == b.0_2;
testcase.c:4:1: internal compiler error: 'verify_gimple' failed
0x2de1b21 internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:517
0x16d448e verify_gimple_in_seq(gimple*, bool)
/repo/gcc-trunk/gcc/tree-cfg.cc:5333
0x130013a gimplify_body(tree_node*, bool)
/repo/gcc-trunk/gcc/gimplify.cc:20653
0x1300355 gimplify_function_tree(tree_node*)
/repo/gcc-trunk/gcc/gimplify.cc:20779
0x110ab67 cgraph_node::analyze()
/repo/gcc-trunk/gcc/cgraphunit.cc:689
0x110d7e7 analyze_functions
/repo/gcc-trunk/gcc/cgraphunit.cc:1265
0x110e79d symbol_table::finalize_compilation_unit()
/repo/gcc-trunk/gcc/cgraphunit.cc:2574
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-20250116125444-r15-6956-g80b52301e8ee9a-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/15.0.1/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 --enable-libsanitizer
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-20250116125444-r15-6956-g80b52301e8ee9a-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.1 20250116 (experimental) (GCC)
