http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47301
Summary: [C++0x] ICE: in fold_convert_loc, at fold-const.c:1906
with -fabi-version=1 and constexpr
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 22969
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22969
reduced testcase (from g++.dg/cpp0x/constexpr-ex4.C)
$ gcc -std=c++0x -fabi-version=1 testcase.C
testcase.C:12:11: internal compiler error: in fold_convert_loc, at
fold-const.c:1906
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
(gdb) bt
#0 fancy_abort (file=0x124d888 "/mnt/svn/gcc-trunk/gcc/fold-const.c",
line=1906, function=0x124cab0 "fold_convert_loc")
at /mnt/svn/gcc-trunk/gcc/diagnostic.c:892
#1 0x000000000084bb9c in fold_convert_loc (loc=0, type=0x7ffff7ed9000,
arg=<value optimized out>)
at /mnt/svn/gcc-trunk/gcc/fold-const.c:1905
#2 0x00000000008564d9 in associate_trees (loc=0, t1=0x7ffff7ee51e0, t2=<value
optimized out>, code=PLUS_EXPR,
type=0x7ffff7ed9000) at /mnt/svn/gcc-trunk/gcc/fold-const.c:895
#3 0x00000000008261d8 in fold_binary_loc (loc=0, code=PLUS_EXPR,
type=0x7ffff7ed9000, op0=<value optimized out>,
op1=0x7ffff7ec34d8) at /mnt/svn/gcc-trunk/gcc/fold-const.c:10025
#4 0x0000000000842641 in fold_build2_stat_loc (loc=0, code=PLUS_EXPR,
type=0x7ffff7ed9000, op0=0x7ffff7ff9150,
op1=0x7ffff7ec34d8) at /mnt/svn/gcc-trunk/gcc/fold-const.c:13982
#5 0x0000000000825209 in fold_binary_loc (loc=0, code=PLUS_EXPR,
type=0x7ffff7ed9000, op0=0x7ffff7ec34d8,
op1=0x7ffff7ff9150) at /mnt/svn/gcc-trunk/gcc/fold-const.c:9404
#6 0x0000000000842641 in fold_build2_stat_loc (loc=0, code=PLUS_EXPR,
type=0x7ffff7ed9000, op0=0x7ffff7ec34d8,
op1=0x7ffff7ff9150) at /mnt/svn/gcc-trunk/gcc/fold-const.c:13982
#7 0x0000000000a17135 in layout_type (type=0x7ffff5d4a540) at
/mnt/svn/gcc-trunk/gcc/stor-layout.c:2003
#8 layout_type (type=0x7ffff5d4a540) at
/mnt/svn/gcc-trunk/gcc/stor-layout.c:1849
#9 0x00000000005f05f8 in complete_type (type=0x7ffff5d4a540) at
/mnt/svn/gcc-trunk/gcc/cp/typeck.c:122
#10 complete_type (type=0x7ffff5d4a540) at
/mnt/svn/gcc-trunk/gcc/cp/typeck.c:108
#11 0x00000000005344f5 in grokdeclarator (declarator=0x19088e0,
declspecs=<value optimized out>,
decl_context=<value optimized out>, initialized=0, attrlist=0x7fffffffd438)
at /mnt/svn/gcc-trunk/gcc/cp/decl.c:9651
#12 0x00000000005acff3 in grokfield (declarator=<value optimized out>,
declspecs=0x7fffffffd4c0, init=0x0,
init_const_expr_p=1 '\001', asmspec_tree=0x0, attrlist=0x0) at
/mnt/svn/gcc-trunk/gcc/cp/decl2.c:806
#13 0x00000000005e7b92 in cp_parser_member_declaration (parser=0x7ffff5d47108)
at /mnt/svn/gcc-trunk/gcc/cp/parser.c:18010
#14 0x00000000005ccaac in cp_parser_member_specification_opt
(parser=0x7ffff5d47108, flags=<value optimized out>,
decl_specs=0x7fffffffd780, is_declaration=1 '\001',
declares_class_or_enum=0x7fffffffd718,
is_cv_qualifier=<value optimized out>) at
/mnt/svn/gcc-trunk/gcc/cp/parser.c:17630
#15 cp_parser_class_specifier (parser=0x7ffff5d47108, flags=<value optimized
out>, decl_specs=0x7fffffffd780,
is_declaration=1 '\001', declares_class_or_enum=0x7fffffffd718,
is_cv_qualifier=<value optimized out>)
at /mnt/svn/gcc-trunk/gcc/cp/parser.c:16948
#16 cp_parser_type_specifier (parser=0x7ffff5d47108, flags=<value optimized
out>, decl_specs=0x7fffffffd780,
is_declaration=1 '\001', declares_class_or_enum=0x7fffffffd718,
is_cv_qualifier=<value optimized out>)
at /mnt/svn/gcc-trunk/gcc/cp/parser.c:12557
#17 0x00000000005ce288 in cp_parser_decl_specifier_seq (parser=0x7ffff5d47108,
flags=1, decl_specs=0x7fffffffd780,
declares_class_or_enum=0x7fffffffd7e8) at
/mnt/svn/gcc-trunk/gcc/cp/parser.c:9990
#18 0x00000000005e4a1b in cp_parser_single_declaration (parser=0x7ffff5d47108,
checks=0x0, member_p=0 '\000',
explicit_specialization_p=0 '\000', friend_p=0x7fffffffd84f "") at
/mnt/svn/gcc-trunk/gcc/cp/parser.c:20042
#19 0x00000000005e4f86 in cp_parser_template_declaration_after_export
(parser=0x7ffff5d47108, member_p=0 '\000')
at /mnt/svn/gcc-trunk/gcc/cp/parser.c:19955
#20 0x00000000005e99da in cp_parser_declaration (parser=0x7ffff5d47108) at
/mnt/svn/gcc-trunk/gcc/cp/parser.c:9453
#21 cp_parser_declaration (parser=0x7ffff5d47108) at
/mnt/svn/gcc-trunk/gcc/cp/parser.c:9404
#22 0x00000000005e82da in cp_parser_declaration_seq_opt (parser=0x7ffff5d47108)
at /mnt/svn/gcc-trunk/gcc/cp/parser.c:9383
#23 0x00000000005e9e29 in cp_parser_translation_unit () at
/mnt/svn/gcc-trunk/gcc/cp/parser.c:3463
#24 c_parse_file () at /mnt/svn/gcc-trunk/gcc/cp/parser.c:25278
#25 0x00000000006be145 in c_common_parse_file () at
/mnt/svn/gcc-trunk/gcc/c-family/c-opts.c:1071
#26 0x0000000000a21476 in compile_file (argc=15, argv=0x7fffffffdaa8) at
/mnt/svn/gcc-trunk/gcc/toplev.c:579
#27 do_compile (argc=15, argv=0x7fffffffdaa8) at
/mnt/svn/gcc-trunk/gcc/toplev.c:1874
#28 toplev_main (argc=15, argv=0x7fffffffdaa8) at
/mnt/svn/gcc-trunk/gcc/toplev.c:1937
#29 0x00007ffff65f1bbd in __libc_start_main () from /lib/libc.so.6
#30 0x00000000004fa9d1 in _start ()
Tested revisions:
r168785 - crash
