https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69705
Bug ID: 69705
Summary: segfault in libgomp.fortran/task1.f90 with -flto
-fno-use-linker-plugin -fno-toplevel-reorder -O1 -g
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
Target Milestone: ---
...
$ gfortran src/libgomp/testsuite/libgomp.fortran/task1.f90 -fopenmp -flto
-fno-use-linker-plugin -fno-toplevel-reorder -O1 -g
src/libgomp/testsuite/libgomp.fortran/task1.f90: In function
‘MAIN__._omp_fn.1’:
src/libgomp/testsuite/libgomp.fortran/task1.f90:11:0: internal compiler error:
Segmentation fault
!$omp task if (.false.) default(firstprivate)
0xe49108 crash_signal
src/gcc/toplev.c:335
0x717c62 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
src/gcc/tree.h:3119
0x8a790d add_name_and_src_coords_attributes
src/gcc/dwarf2out.c:18765
0x8b08cd gen_variable_die
src/gcc/dwarf2out.c:21073
0x8b8412 gen_decl_die
src/gcc/dwarf2out.c:23535
0x8b69e5 process_scope_var
src/gcc/dwarf2out.c:23021
0x8b6afe decls_for_scope
src/gcc/dwarf2out.c:23049
0x8b2365 gen_lexical_block_die
src/gcc/dwarf2out.c:21481
0x8b671e gen_block_die
src/gcc/dwarf2out.c:22990
0x8b6b7b decls_for_scope
src/gcc/dwarf2out.c:23060
0x8b2504 gen_inlined_subroutine_die
src/gcc/dwarf2out.c:21519
0x8b6709 gen_block_die
src/gcc/dwarf2out.c:22987
0x8b6b7b decls_for_scope
src/gcc/dwarf2out.c:23060
0x8acc46 gen_subprogram_die
src/gcc/dwarf2out.c:20771
0x8b8097 gen_decl_die
src/gcc/dwarf2out.c:23468
0x8b9412 dwarf2out_decl
src/gcc/dwarf2out.c:23951
0x8b945c dwarf2out_function_decl
src/gcc/dwarf2out.c:23966
0x966297 rest_of_handle_final
src/gcc/final.c:4474
0x96660a execute
src/gcc/final.c:4516
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Please include the complete backtrace with any bug report.
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lto-wrapper: fatal error: ./lean-fortran/install/bin/gfortran returned 1 exit
status
compilation terminated.
collect2: fatal error: lto-wrapper returned 1 exit status
compilation terminated.
...
