https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99996
Bug ID: 99996
Summary: [10 Regression] r10-9673 failed to build
Product: gcc
Version: 10.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: fdumont at gcc dot gnu.org
Target Milestone: ---
On Linux/x86-64, r10-9673 failed to build:
https://gcc.gnu.org/pipermail/gcc-regression/2021-April/074554.html
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/./gcc/xgcc
-shared-libgcc
-B/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/./gcc
-nostdinc++
-L/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/src
-L/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-L/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs
-B/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/usr/x86_64-pc-linux-gnu/bin/
-B/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/usr/x86_64-pc-linux-gnu/lib/
-isystem
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/usr/x86_64-pc-linux-gnu/include
-isystem
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/usr/x86_64-pc-linux-gnu/sys-include
-fno-checking -x c++-header -nostdinc++ -g -O2 -D_GNU_SOURCE
-I/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
-I/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/include
-I/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/gcc/libstdc++-v3/libsupc++
-O2 -g
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/gcc/libstdc++-v3/include/precompiled/stdc++.h
-o x86_64-pc-linux-gnu/bits/stdc++.h.gch/O2g.gch
In file included from
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/include/unordered_map:46,
from
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/gcc/libstdc++-v3/include/precompiled/stdc++.h:117:
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/hashtable.h:1317:56:
internal compiler error: in merge_exception_specifiers, at cp/typeck2.c:2564
1317 | std::is_nothrow_copy_constructible<_Equal>::value)
| ^
In file included from
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/include/unordered_map:46,
from
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/gcc/libstdc++-v3/include/precompiled/stdc++.h:117:
/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/hashtable.h:1317:56:
internal compiler error: in merge_exception_specifiers, at cp/typeck2.c:2564
1317 | std::is_nothrow_copy_constructible<_Equal>::value)
| ^
0xcf184b merge_exception_specifiers(tree_node*, tree_node*)
../../../gcc/gcc/cp/typeck2.c:2564
0xcc15d5 merge_types(tree_node*, tree_node*)
../../../gcc/gcc/cp/typeck.c:873
0xa33be2 duplicate_decls(tree_node*, tree_node*, bool)
../../../gcc/gcc/cp/decl.c:2259
0xa5772b grokfndecl
../../../gcc/gcc/cp/decl.c:9893
0xa63acf grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
../../../gcc/gcc/cp/decl.c:13622
0xa71a5e start_function(cp_decl_specifier_seq*, cp_declarator const*,
tree_node*)
../../../gcc/gcc/cp/decl.c:16541
0xb80df2 cp_parser_function_definition_from_specifiers_and_declarator
../../../gcc/gcc/cp/parser.c:28909
0xb70523 cp_parser_init_declarator
../../../gcc/gcc/cp/parser.c:20694
0xb82675 cp_parser_single_declaration
../../../gcc/gcc/cp/parser.c:29528
0xb812fa cp_parser_template_declaration_after_parameters
../../../gcc/gcc/cp/parser.c:29100
0xb8226e cp_parser_explicit_template_declaration
../../../gcc/gcc/cp/parser.c:29366
0xb822c8 cp_parser_template_declaration_after_export
../../../gcc/gcc/cp/parser.c:29385
0xb67265 cp_parser_template_declaration
../../../gcc/gcc/cp/parser.c:15877
0xb62d67 cp_parser_declaration
../../../gcc/gcc/cp/parser.c:13398
0xb6305c cp_parser_toplevel_declaration
../../../gcc/gcc/cp/parser.c:13477
0xb62ae8 cp_parser_declaration_seq_opt
../../../gcc/gcc/cp/parser.c:13325
0xb6e5c4 cp_parser_namespace_body
../../../gcc/gcc/cp/parser.c:19740
0xb6e56d cp_parser_namespace_definition
../../../gcc/gcc/cp/parser.c:19718
0xb62e7b cp_parser_declaration
../../../gcc/gcc/cp/parser.c:13429
0xb6305c cp_parser_toplevel_declaration
../../../gcc/gcc/cp/parser.c:13477
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[5]: *** [Makefile:1824:
x86_64-pc-linux-gnu/bits/stdc++.h.gch/O2ggnu++0x.gch] Error 1
make[5]: *** Waiting for unfinished jobs....
0xcf184b merge_exception_specifiers(tree_node*, tree_node*)
../../../gcc/gcc/cp/typeck2.c:2564
0xcc15d5 merge_types(tree_node*, tree_node*)
../../../gcc/gcc/cp/typeck.c:873
0xa33be2 duplicate_decls(tree_node*, tree_node*, bool)
../../../gcc/gcc/cp/decl.c:2259
0xa5772b grokfndecl
../../../gcc/gcc/cp/decl.c:9893
0xa63acf grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
../../../gcc/gcc/cp/decl.c:13622
0xa71a5e start_function(cp_decl_specifier_seq*, cp_declarator const*,
tree_node*)
../../../gcc/gcc/cp/decl.c:16541
0xb80df2 cp_parser_function_definition_from_specifiers_and_declarator
../../../gcc/gcc/cp/parser.c:28909
0xb70523 cp_parser_init_declarator
../../../gcc/gcc/cp/parser.c:20694
0xb82675 cp_parser_single_declaration
../../../gcc/gcc/cp/parser.c:29528
0xb812fa cp_parser_template_declaration_after_parameters
../../../gcc/gcc/cp/parser.c:29100
0xb8226e cp_parser_explicit_template_declaration
../../../gcc/gcc/cp/parser.c:29366
0xb822c8 cp_parser_template_declaration_after_export
../../../gcc/gcc/cp/parser.c:29385
0xb67265 cp_parser_template_declaration
../../../gcc/gcc/cp/parser.c:15877
0xb62d67 cp_parser_declaration
../../../gcc/gcc/cp/parser.c:13398
0xb6305c cp_parser_toplevel_declaration
../../../gcc/gcc/cp/parser.c:13477
0xb62ae8 cp_parser_declaration_seq_opt
../../../gcc/gcc/cp/parser.c:13325
0xb6e5c4 cp_parser_namespace_body
../../../gcc/gcc/cp/parser.c:19740
0xb6e56d cp_parser_namespace_definition
../../../gcc/gcc/cp/parser.c:19718
0xb62e7b cp_parser_declaration
../../../gcc/gcc/cp/parser.c:13429
0xb6305c cp_parser_toplevel_declaration
../../../gcc/gcc/cp/parser.c:13477
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[5]: *** [Makefile:1829: x86_64-pc-linux-gnu/bits/stdc++.h.gch/O2g.gch]
Error 1
make[5]: Leaving directory
'/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3/include'
make[4]: *** [Makefile:563: all-recursive] Error 1
make[4]: Leaving directory
'/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3'
make[3]: *** [Makefile:488: all] Error 2
make[3]: Leaving directory
'/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld/x86_64-pc-linux-gnu/libstdc++-v3'
make[2]: *** [Makefile:15233: all-stage1-target-libstdc++-v3] Error 2
make[2]: Leaving directory
'/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld'
make[1]: *** [Makefile:21874: stage1-bubble] Error 2
make[1]: Leaving directory
'/export/project/git/gcc-bisect-bootstrap/releases/gcc-10/r10-9675/bld'
make: *** [Makefile:998: all] Error 2
