https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108526
Bug ID: 108526
Summary: [13 Regression] ICE in start_preparsed_function, at
cp/decl.cc:17281
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started between 20220925 and 20221009 :
$ cat z1.cc
template<class> void f()
{
auto a = [] (auto x) static { return x; };
}
template void f<int>();
$ g++-13-20230122 -c z1.cc -std=c++23
z1.cc: In instantiation of 'void f() [with <template-parameter-1-1> = int]':
z1.cc:5:22: required from here
z1.cc:3:12: internal compiler error: in start_preparsed_function, at
cp/decl.cc:17281
3 | auto a = [] (auto x) static { return x; };
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x8f97a4 start_preparsed_function(tree_node*, tree_node*, int)
../../gcc/cp/decl.cc:17280
0x9740a4 start_lambda_function(tree_node*, tree_node*)
../../gcc/cp/lambda.cc:1671
0xac5400 tsubst_lambda_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:20056
0xa8bc86 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:21604
0xa94330 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:19764
0xa9b00e tsubst_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:18711
0xa9b00e tsubst_init
../../gcc/cp/pt.cc:17007
0xa972ae tsubst_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:18910
0xa9241e tsubst_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:18725
0xa9127f tsubst_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:19105
0xa9d6c6 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/cp/pt.cc:18711
0xa9d6c6 instantiate_body
../../gcc/cp/pt.cc:26702
0xa9ec21 instantiate_decl(tree_node*, bool, bool)
../../gcc/cp/pt.cc:26992
0xadc5db instantiate_pending_templates(int)
../../gcc/cp/pt.cc:27070
0x939c39 c_parse_final_cleanups()
../../gcc/cp/decl2.cc:4953
0xbf0ac0 c_common_parse_file()
../../gcc/c-family/c-opts.cc:1266
