https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105229
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 CC| |mpolacek at gcc dot gnu.org Status|UNCONFIRMED |NEW Last reconfirmed| |2022-04-11 Target Milestone|--- |11.3 --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Confirmed. Started with r11-86-gef3479afc5ab41 commit ef3479afc5ab415f00a53fc6f6a990df7f6a0747 Author: Marek Polacek <pola...@redhat.com> Date: Tue Apr 28 22:30:44 2020 -0400 c++: Member template function lookup failure [PR94799] which changed $ ./cc1plus.r11-85 -quiet ~/105229.C -std=c++2a /home/mpolacek/105229.C: In function ‘void bar()’: /home/mpolacek/105229.C:3:12: error: expected ‘(’ before ‘{’ token 3 | [] <int> {}.operator () <> (); | ^ | ( /home/mpolacek/105229.C:3:28: error: expected primary-expression before ‘>’ token 3 | [] <int> {}.operator () <> (); | ^ /home/mpolacek/105229.C:3:31: error: expected primary-expression before ‘)’ token 3 | [] <int> {}.operator () <> (); | ^ to $ ./cc1plus.r11-86 -quiet ~/105229.C -std=c++2a /home/mpolacek/105229.C: In function ‘void bar()’: /home/mpolacek/105229.C:3:12: error: expected ‘(’ before ‘{’ token 3 | [] <int> {}.operator () <> (); | ^ | ( /home/mpolacek/105229.C: In instantiation of ‘void bar() [with <template-parameter-1-1> = int]’: /home/mpolacek/105229.C:7:13: required from here /home/mpolacek/105229.C:3:28: internal compiler error: in lookup_template_class_1, at cp/pt.c:9891 3 | [] <int> {}.operator () <> (); | ~~~~~~~~~~~~~~~~~~~~~~~~~^ unrecognized DWARF version in .debug_info at 6 0xbc18c9 lookup_template_class_1 ../../gcc/cp/pt.c:9891 0xbc3176 lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*, int, int) ../../gcc/cp/pt.c:10114 0xbd10d0 tsubst_aggr_type ../../gcc/cp/pt.c:13382 0xbdd578 tsubst(tree_node*, tree_node*, int, tree_node*) ../../gcc/cp/pt.c:15169 0xbe0fe1 tsubst_baselink ../../gcc/cp/pt.c:16001 0xbf8c92 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) ../../gcc/cp/pt.c:20188 0xbf638e tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) ../../gcc/cp/pt.c:19730 0xbf1cd2 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) ../../gcc/cp/pt.c:18753 0xbea656 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) ../../gcc/cp/pt.c:17865 0xbea3e8 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) ../../gcc/cp/pt.c:17835 0xbed092 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) ../../gcc/cp/pt.c:18154 0xc11905 instantiate_decl(tree_node*, bool, bool) ../../gcc/cp/pt.c:25714 0xc122c4 instantiate_pending_templates(int) ../../gcc/cp/pt.c:25830