https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68475
Bug ID: 68475
Summary: ICE: in merge_exception_specifiers, at
cp/typeck2.c:2115 with -fno-exceptions on invalid code
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Created attachment 36801
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36801&action=edit
reduced testcase (from g++.dg/cpp0x/noexcept28.C)
Compiler output:
$ gcc testcase.C -fno-exceptions
testcase.C:10:58: internal compiler error: in merge_exception_specifiers, at
cp/typeck2.c:2115
X < T >::operator = (X &&) noexcept (traits < T >::bar ())
^
0x6990cb merge_exception_specifiers(tree_node*, tree_node*)
/mnt/svn/gcc-trunk/gcc/cp/typeck2.c:2113
0x73a271 merge_types(tree_node*, tree_node*)
/mnt/svn/gcc-trunk/gcc/cp/typeck.c:882
0x60d8a8 duplicate_decls(tree_node*, tree_node*, bool)
/mnt/svn/gcc-trunk/gcc/cp/decl.c:2035
0x5a9095 grokfndecl
/mnt/svn/gcc-trunk/gcc/cp/decl.c:8222
0x626323 grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
/mnt/svn/gcc-trunk/gcc/cp/decl.c:11299
0x628c86 start_function(cp_decl_specifier_seq*, cp_declarator const*,
tree_node*)
/mnt/svn/gcc-trunk/gcc/cp/decl.c:14085
0x71d978 cp_parser_function_definition_from_specifiers_and_declarator
/mnt/svn/gcc-trunk/gcc/cp/parser.c:24703
0x71d978 cp_parser_init_declarator
/mnt/svn/gcc-trunk/gcc/cp/parser.c:17972
0x71f394 cp_parser_single_declaration
/mnt/svn/gcc-trunk/gcc/cp/parser.c:25278
0x71f53b cp_parser_template_declaration_after_parameters
/mnt/svn/gcc-trunk/gcc/cp/parser.c:24897
0x7200e4 cp_parser_explicit_template_declaration
/mnt/svn/gcc-trunk/gcc/cp/parser.c:25132
0x7200e4 cp_parser_template_declaration_after_export
/mnt/svn/gcc-trunk/gcc/cp/parser.c:25150
0x728ec1 cp_parser_declaration
/mnt/svn/gcc-trunk/gcc/cp/parser.c:11708
0x7271ea cp_parser_declaration_seq_opt
/mnt/svn/gcc-trunk/gcc/cp/parser.c:11630
0x727538 cp_parser_translation_unit
/mnt/svn/gcc-trunk/gcc/cp/parser.c:4189
0x727538 c_parse_file()
/mnt/svn/gcc-trunk/gcc/cp/parser.c:36803
0x881492 c_common_parse_file()
/mnt/svn/gcc-trunk/gcc/c-family/c-opts.c:1064
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-230703-lto-fortran-checking-yes-rtl-df/bin/../libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk//binary-230703-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl --without-isl
Thread model: posix
gcc version 6.0.0 20151121 (experimental) (GCC)
Tested revisions:
r230703 - ICE
