https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98964
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Host|hppa-unknown-linux-gnu |
Component|testsuite |c++
Ever confirmed|0 |1
Target|hppa-unknown-linux-gnu |
Build|hppa-unknown-linux-gnu |
Status|UNCONFIRMED |NEW
Last reconfirmed| |2021-04-20
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
On Linux/x86-64, r11-8260 gave
./releases/gcc-11/r11-8260/bld/gcc/xgcc -B./releases/gcc-11/r11-8260/bld/gcc/
-S constexpr-52830.C
constexpr-52830.C:27:1: error: no declaration matches ??void foo::func(T&&,
typename eif<same<decltype (a), int&&>::value>::type*)??
27 | foo::
| ^~~
constexpr-52830.C:21:8: note: candidate is: ??template<class T> void
foo::func(T&&, typename eif<same<decltype (a), int&&>::value>::type*)??
21 | void func(T && a,
| ^~~~
constexpr-52830.C:19:8: note: ??struct foo?? defined here
19 | struct foo {
| ^~~
gnu-skx-1:pts/4[56]> ./releases/gcc-11/r11-8254/bld/gcc/xgcc
-B./releases/gcc-11/r11-8254/bld/gcc/ -S constexpr-52830.C
constexpr-52830.C:29:60: internal compiler error: canonical types differ for
identical types ??eif<same<decltype (a), int&&>::value>?? and
??eif<same<decltype (a), int&&>::value>??
29 | typename eif<same<decltype(a), int&&>::value>::type * )
| ^
0xe0117d comptypes(tree_node*, tree_node*, int)
../../../gcc/gcc/cp/typeck.c:1558
0xe01353 same_type_ignoring_top_level_qualifiers_p(tree_node*, tree_node*)
../../../gcc/gcc/cp/typeck.c:1594
0xe005e0 structural_comptypes
../../../gcc/gcc/cp/typeck.c:1443
0xe010c4 comptypes(tree_node*, tree_node*, int)
../../../gcc/gcc/cp/typeck.c:1547
0xe0027e structural_comptypes
../../../gcc/gcc/cp/typeck.c:1401
0xe010c4 comptypes(tree_node*, tree_node*, int)
../../../gcc/gcc/cp/typeck.c:1547
0xe015d8 compparms(tree_node const*, tree_node const*)
../../../gcc/gcc/cp/typeck.c:1699
0xb72130 check_classfn(tree_node*, tree_node*, tree_node*)
../../../gcc/gcc/cp/decl2.c:686
0xb47ae5 grokfndecl
../../../gcc/gcc/cp/decl.c:10109
0xb5445c grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
../../../gcc/gcc/cp/decl.c:13924
0xb6274b start_function(cp_decl_specifier_seq*, cp_declarator const*,
tree_node*)
../../../gcc/gcc/cp/decl.c:16859
0xcbe4d3 cp_parser_function_definition_from_specifiers_and_declarator
../../../gcc/gcc/cp/parser.c:29940
0xcad696 cp_parser_init_declarator
../../../gcc/gcc/cp/parser.c:21653
0xcbfdf6 cp_parser_single_declaration
../../../gcc/gcc/cp/parser.c:30564
0xcbea7b cp_parser_template_declaration_after_parameters
../../../gcc/gcc/cp/parser.c:30136
0xcbf9ef cp_parser_explicit_template_declaration
../../../gcc/gcc/cp/parser.c:30402
0xcbfa49 cp_parser_template_declaration_after_export
../../../gcc/gcc/cp/parser.c:30421
0xca3912 cp_parser_template_declaration
../../../gcc/gcc/cp/parser.c:16609
0xc9f1e0 cp_parser_declaration
../../../gcc/gcc/cp/parser.c:14085
0xc9f5f3 cp_parser_toplevel_declaration
../../../gcc/gcc/cp/parser.c:14183
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