https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78866
--- Comment #1 from Gerhard Steinmetz <gerhard.steinmetz.fort...@t-online.de>
---
Older versions down to at least 5.4.1 give :
$ gfortran-7-20161023 -fopenmp -c z1.f90
z1.f90:4:0:
!$omp target
internal compiler error: Segmentation fault
0xc32b7f crash_signal
../../gcc/toplev.c:338
0x957a20 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
../../gcc/tree.h:3154
0x957a20 fold_convert_loc(unsigned int, tree_node*, tree_node*)
../../gcc/fold-const.c:2213
0xb2c8e7 lower_omp_target
../../gcc/omp-low.c:16209
0xb2c8e7 lower_omp_1
../../gcc/omp-low.c:17084
0xb2c8e7 lower_omp
../../gcc/omp-low.c:17177
0xb2abec lower_omp_1
../../gcc/omp-low.c:17025
0xb2abec lower_omp
../../gcc/omp-low.c:17177
0xb38f8a lower_omp_taskreg
../../gcc/omp-low.c:15659
0xb2aee6 lower_omp_1
../../gcc/omp-low.c:17033
0xb2aee6 lower_omp
../../gcc/omp-low.c:17177
0xb2abec lower_omp_1
../../gcc/omp-low.c:17025
0xb2abec lower_omp
../../gcc/omp-low.c:17177
0xb31dcf execute_lower_omp
../../gcc/omp-low.c:17912
0xb31dcf execute
../../gcc/omp-low.c:17949
