https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121188
Bug ID: 121188
Summary: ICE on x86_64-linux-gnu:in c_parser_omp_metadirective,
at c/c-parser.cc:29733 with omp on attribute
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jiangchangwu at smail dot nju.edu.cn
Target Milestone: ---
Compiler Explorer: https://godbolt.org/z/a6zxhv4fY
*******************************************************************************
gcc version:
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/home/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/16.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc/configure --disable-multilib --disable-bootstrap
--enable-languages=c,c++ --prefix=/home/software/gcc-trunk --enable-coverage
--disable-werror --enable-checking=yes
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 16.0.0 20250613 (experimental) (GCC)
*******************************************************************************
Program:
$ cat mutant.c
#pragma omp metadirective when(implementation = {a} : parallel)
__attribute__(());
*******************************************************************************
Command Lines:
$ gcc -fopenmp mutant.c
mutant.c:1:50: warning: unknown selector 'a' for context selector set
'implementation' [-Wopenmp]
1 | #pragma omp metadirective when(implementation = {a} : parallel)
| ^
cc1: internal compiler error: in c_parser_omp_metadirective, at
c/c-parser.cc:29733
0x5554b38 internal_error(char const*, ...)
../../gcc/gcc/diagnostic-global-context.cc:517
0x54d2d0a fancy_abort(char const*, int, char const*)
../../gcc/gcc/diagnostic.cc:1803
0x109f2aa c_parser_omp_metadirective
../../gcc/gcc/c/c-parser.cc:29733
0x103f183 c_parser_pragma
../../gcc/gcc/c/c-parser.cc:15919
0xff593c c_parser_external_declaration
../../gcc/gcc/c/c-parser.cc:2136
0xff4ea2 c_parser_translation_unit
../../gcc/gcc/c/c-parser.cc:2009
0x10a17ee c_parse_file()
../../gcc/gcc/c/c-parser.cc:30153
0x11d7aeb c_common_parse_file()
../../gcc/gcc/c-family/c-opts.cc:1385
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.
