https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90749
Bug ID: 90749 Summary: [8/9/10 Regression] ICE in enclosing_instantiation_of, at cp/pt.c:13462 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Changed between 20180525 and 20180615 : $ cat z1.cc template <int n> void foo () { static int i {100}; struct { int a {i++}; } b {}; } int main () { foo<0> (); } $ g++-7 -c z1.cc $ $ g++-10-20190602 -c z1.cc z1.cc: In instantiation of 'void foo() [with int n = 0]': z1.cc:9:11: required from here z1.cc:4:14: internal compiler error: in enclosing_instantiation_of, at cp/pt.c:13462 4 | static int i {100}; | ^ 0x6d2f1d enclosing_instantiation_of ../../gcc/cp/pt.c:13462 0x6ee2e7 tsubst_decl ../../gcc/cp/pt.c:13825 0x6ed64c tsubst_copy ../../gcc/cp/pt.c:15681 0x6dfdde tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) ../../gcc/cp/pt.c:19474 0x6e17d9 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) ../../gcc/cp/pt.c:19597 0x6e0032 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) ../../gcc/cp/pt.c:18455 0x6e1806 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) ../../gcc/cp/pt.c:19413 0x6699d5 get_nsdmi(tree_node*, bool, int) ../../gcc/cp/init.c:604 0x7427a0 process_init_constructor_record ../../gcc/cp/typeck2.c:1584 0x7427a0 process_init_constructor ../../gcc/cp/typeck2.c:1841 0x7427a0 digest_init_r ../../gcc/cp/typeck2.c:1239 0x7437c0 digest_init_flags(tree_node*, tree_node*, int, int) ../../gcc/cp/typeck2.c:1284 0x7437c0 store_init_value(tree_node*, tree_node*, vec<tree_node*, va_gc, vl_embed>**, int) ../../gcc/cp/typeck2.c:824 0x64750d check_initializer ../../gcc/cp/decl.c:6568 0x648812 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int) ../../gcc/cp/decl.c:7242 0x6eb412 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) ../../gcc/cp/pt.c:17173 0x6e8da1 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) ../../gcc/cp/pt.c:17036 0x6e9a11 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) ../../gcc/cp/pt.c:17330 0x6e7cfc instantiate_decl(tree_node*, bool, bool) ../../gcc/cp/pt.c:24769 0x6fd48b instantiate_pending_templates(int) ../../gcc/cp/pt.c:24885