[Bug c++/81154] OpenMP with shared variable in a template class crash

[mplaneta at os dot inf.tu-dresden.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81154

mplaneta at os dot inf.tu-dresden.de changed:

           What    |Removed                     |Added
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                 CC|                            |mplaneta at os dot inf.tu-dresden.
                   |                            |de

--- Comment #1 from mplaneta at os dot inf.tu-dresden.de ---
The log:

$ gcc a.cpp -fopenmp
a.cpp: In instantiation of ‘double C<T>::overlap_prob(T) const [with T = int]’:
a.cpp:21:29:   required from here
a.cpp:8:9: internal compiler error: in tsubst_copy, at cp/pt.c:14634
 #pragma omp parallel for reduction(+:overlap_prob)
         ^~~
0x612260 tsubst_copy
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:14634
0x61bf4e tsubst_copy
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:14433
0x61bf4e tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:17930
0x6107d7 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:16468
0x6118a2 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:15704
0x6118a2 tsubst_omp_clause_decl
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:15098
0x614f83 tsubst_omp_clauses
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:15196
0x610101 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:16126
0x610685 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:15719
0x61051b tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:15945
0x60ecb2 instantiate_decl(tree_node*, bool, bool)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:22897
0x62c5fb instantiate_pending_templates(int)
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/pt.c:23018
0x64c2d0 c_parse_final_cleanups()
        /dev/shm/schmaik/gcc-7.1.0/gcc/cp/decl2.c:4526
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
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