https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88976
Bug ID: 88976
Summary: ICE in fold_convert_loc, at fold-const.c:2552
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, openmp
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++-9.0.0-alpha20190120 snapshot (r268107), 8.2, 7.4, 6.3, 5.5, 4.9.4 all ICE
when compiling the following snippet w/ -fopenmp:
template <class T> void
jm (T cv)
{
#pragma omp cancel parallel if (cv)
}
% g++-9.0.0-alpha20190120 -fopenmp -c icjm7wqb.cpp
icjm7wqb.cpp: In function 'void jm(T)':
icjm7wqb.cpp:4:36: internal compiler error: in fold_convert_loc, at
fold-const.c:2552
4 | #pragma omp cancel parallel if (cv)
| ^
0x6d8408 fold_convert_loc(unsigned int, tree_node*, tree_node*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/fold-const.c:2552
0xa307b1 finish_omp_cancel(tree_node*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/semantics.c:9060
0x997e65 cp_parser_omp_cancel
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:37755
0x997e65 cp_parser_pragma
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:40735
0x9a00ec cp_parser_statement
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:11204
0x9a0c38 cp_parser_statement_seq_opt
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:11592
0x9a0d18 cp_parser_compound_statement
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:11546
0x9bab16 cp_parser_function_body
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:22530
0x9bab16 cp_parser_ctor_initializer_opt_and_function_body
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:22567
0x9bb3f0 cp_parser_function_definition_after_declarator
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:27630
0x9bc1d4 cp_parser_function_definition_from_specifiers_and_declarator
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:27546
0x9bc1d4 cp_parser_init_declarator
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:20205
0x9bf7a4 cp_parser_single_declaration
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:28096
0x9bf90d cp_parser_template_declaration_after_parameters
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:27688
0x9c026e cp_parser_explicit_template_declaration
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:27934
0x9c026e cp_parser_template_declaration_after_export
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:27953
0x9c2e09 cp_parser_declaration
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:13122
0x9c346e cp_parser_translation_unit
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:4698
0x9c346e c_parse_file()
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/cp/parser.c:41003
0xacce0b c_common_parse_file()
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/c-family/c-opts.c:1155
