https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89405
Bug ID: 89405
Summary: [8/9 Regression] ICE in import_export_decl, at
cp/decl2.c:2959
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
The combination "-std=c++17 -fno-weak" affects several testsuite cases.
Changed between 20180527 and 20180610.
$ cat z1.cc
#include <new>
int* f (void* a)
{
return new(a) int();
}
$ g++-9-20190217 -c z1.cc -std=c++14
$ g++-9-20190217 -c z1.cc -std=c++14 -fno-weak
$ g++-9-20190217 -c z1.cc -std=c++17
$
$ g++-7 -c z1.cc -std=c++17 -fno-weak
$ g++-9-20180527 -c z1.cc -std=c++17 -fno-weak
$ g++-9-20190217 -c z1.cc -std=c++17 -fno-weak
z1.cc:5:1: internal compiler error: in import_export_decl, at cp/decl2.c:2959
5 | }
| ^
0x65c5cb import_export_decl(tree_node*)
../../gcc/cp/decl2.c:2959
0x65fc67 c_parse_final_cleanups()
../../gcc/cp/decl2.c:4987
