[Bug c++/46277] New: [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[Bug c++/46277] New: [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46277

           Summary: [4.6 Regression] Revision 166167 failed to build
                    252.eon in SPEC CPU 2000
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: jason@redhat.com


On Linux/x86-64, revision 166167:

http://gcc.gnu.org/ml/gcc-cvs/2010-11/msg00053.html

failed build 252.eon in SPEC CPU 2000:

[hjl@gnu-16 00000001]$ /export/gnu/import/svn/gcc-test/usr/bin/gcc
-DSPEC_CPU2000_LP64 -DHAS_ERRLIST    -I. -DNDEBUG     -O2 -ffast-math  
mrCoarsePixelRenderer.cc -S
In file included from ./ggIO.h:171:0,
                 from ./ggAll.h:70,
                 from ./mrScene.h:33,
                 from ./mrCoarsePixelRenderer.h:33,
                 from mrCoarsePixelRenderer.cc:33:
./ggIO.cc: In member function ‘ggBoolean ggIO<T>::readbody(std::ifstream*,
ggRaster<T>*, int, ggFileType*)’:
./ggIO.cc:513:29: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-16 00000001]$ pwd
/export/gnu/import/svn/gcc-test/spec/2000/x86_64/spec/benchspec/CINT2000/252.eon/run/00000001
[hjl@gnu-16 00000001]$

[Bug c++/46277] [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46277

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.6.0

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-02 20:57:50 UTC ---
(gdb) bt
#0  0x00000000006ae43d in expand_default_init (binfo=0x7ffff0582780, 
    true_exp=0x7ffff02b2150, exp=0x7ffff02b2150, init=0x0, flags=3, complain=3)
    at ../../src/gcc/cp/init.c:1446
#1  0x00000000006ae849 in expand_aggr_init_1 (binfo=0x7ffff0582780, 
    true_exp=0x7ffff02b2150, exp=0x7ffff02b2150, init=0x0, flags=3, complain=3)
    at ../../src/gcc/cp/init.c:1536
#2  0x00000000006adb88 in build_aggr_init (exp=0x7ffff02b2150, init=0x0, 
    flags=0, complain=3) at ../../src/gcc/cp/init.c:1351
#3  0x00000000006b54a6 in build_vec_init (base=0x7ffff0276c80, 
    maxindex=0x7ffff02abe70, init=0x0, explicit_value_init_p=0 '\000', 
    from_array=0, complain=3) at ../../src/gcc/cp/init.c:3164
#4  0x00000000006b20ee in build_new_1 (placement=0x7fffffffd358, 
    type=0x7ffff077a690, nelts=0x7ffff02abd20, init=0x7fffffffd350, 
    globally_qualified_p=0 '\000', complain=3) at ../../src/gcc/cp/init.c:2320
#5  0x00000000006b2bd3 in build_new (placement=0x7fffffffd358, 
    type=0x7ffff077a690, nelts=0x7ffff02abd20, init=0x7fffffffd350, 
    use_global_new=0, complain=3) at ../../src/gcc/cp/init.c:2582
#6  0x00000000006376fb in cp_parser_new_expression (parser=0x7ffff18e72d0)
    at ../../src/gcc/cp/parser.c:6197
#7  0x0000000000636fcb in cp_parser_unary_expression (parser=0x7ffff18e72d0, 
    address_p=0 '\000', cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:5890
#8  0x0000000000637f5f in cp_parser_cast_expression (parser=0x7ffff18e72d0, 
---Type <return> to continue, or q <return> to quit---
    address_p=0 '\000', cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:6653
#9  0x0000000000637fc3 in cp_parser_binary_expression (parser=0x7ffff18e72d0, 
    cast_p=0 '\000', no_toplevel_fold_p=0 '\000', prec=PREC_NOT_OPERATOR, 
    pidk=0x0) at ../../src/gcc/cp/parser.c:6750
#10 0x000000000063858f in cp_parser_assignment_expression (
    parser=0x7ffff18e72d0, cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:6966
#11 0x000000000063886d in cp_parser_constant_expression (
    parser=0x7ffff18e72d0, allow_non_constant_p=1 '\001', 
    non_constant_p=0x7fffffffd79f "") at ../../src/gcc/cp/parser.c:7191
#12 0x000000000064980a in cp_parser_initializer_clause (parser=0x7ffff18e72d0, 
    non_constant_p=0x7fffffffd79f "") at ../../src/gcc/cp/parser.c:16409
#13 0x00000000006385ef in cp_parser_assignment_expression (
    parser=0x7ffff18e72d0, cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:6985
#14 0x0000000000638764 in cp_parser_expression (parser=0x7ffff18e72d0, 
    cast_p=0 '\000', pidk=0x0) at ../../src/gcc/cp/parser.c:7112
#15 0x000000000063af75 in cp_parser_expression_statement (
    parser=0x7ffff18e72d0, in_statement_expr=0x0)
    at ../../src/gcc/cp/parser.c:8226
#16 0x000000000063ac42 in cp_parser_statement (parser=0x7ffff18e72d0, 
    in_statement_expr=0x0, in_compound=1 '\001', if_p=0x0)
---Type <return> to continue, or q <return> to quit---
    at ../../src/gcc/cp/parser.c:8091
#17 0x000000000063b568 in cp_parser_statement_seq_opt (parser=0x7ffff18e72d0, 
    in_statement_expr=0x0) at ../../src/gcc/cp/parser.c:8340
#18 0x000000000063b467 in cp_parser_compound_statement (parser=0x7ffff18e72d0, 
    in_statement_expr=0x0, in_try=0 '\000') at ../../src/gcc/cp/parser.c:8294
#19 0x000000000063cde7 in cp_parser_implicitly_scoped_statement (
    parser=0x7ffff18e72d0, if_p=0x0) at ../../src/gcc/cp/parser.c:9202
#20 0x000000000063b8d7 in cp_parser_selection_statement (
    parser=0x7ffff18e72d0, if_p=0x0) at ../../src/gcc/cp/parser.c:8486
#21 0x000000000063aaa1 in cp_parser_statement (parser=0x7ffff18e72d0, 
    in_statement_expr=0x0, in_compound=1 '\001', if_p=0x0)
    at ../../src/gcc/cp/parser.c:7997
#22 0x000000000063b568 in cp_parser_statement_seq_opt (parser=0x7ffff18e72d0, 
    in_statement_expr=0x0) at ../../src/gcc/cp/parser.c:8340
#23 0x000000000063b467 in cp_parser_compound_statement (parser=0x7ffff18e72d0, 
    in_statement_expr=0x0, in_try=0 '\000') at ../../src/gcc/cp/parser.c:8294
#24 0x0000000000648eb9 in cp_parser_function_body (parser=0x7ffff18e72d0)
    at ../../src/gcc/cp/parser.c:16265
#25 0x0000000000649424 in cp_parser_ctor_initializer_opt_and_function_body (
    parser=0x7ffff18e72d0) at ../../src/gcc/cp/parser.c:16302
#26 0x0000000000650554 in cp_parser_function_definition_after_declarator (
    parser=0x7ffff18e72d0, inline_p=0 '\000')
    at ../../src/gcc/cp/parser.c:19589
---Type <return> to continue, or q <return> to quit---
#27 0x0000000000650413 in
cp_parser_function_definition_from_specifiers_and_declarator
(parser=0x7ffff18e72d0, decl_specifiers=0x7fffffffde00, attributes=0x0, 
    declarator=0x1bf2120) at ../../src/gcc/cp/parser.c:19518
#28 0x0000000000645807 in cp_parser_init_declarator (parser=0x7ffff18e72d0, 
    decl_specifiers=0x7fffffffde00, checks=0x0, 
    function_definition_allowed_p=1 '\001', member_p=0 '\000', 
    declares_class_or_enum=0, function_definition_p=0x7fffffffddff "\001")
    at ../../src/gcc/cp/parser.c:14412
#29 0x0000000000650e4c in cp_parser_single_declaration (parser=0x7ffff18e72d0, 
    checks=0x0, member_p=0 '\000', explicit_specialization_p=0 '\000', 
    friend_p=0x7fffffffdebf "") at ../../src/gcc/cp/parser.c:19843
#30 0x00000000006507cc in cp_parser_template_declaration_after_export (
    parser=0x7ffff18e72d0, member_p=0 '\000')
    at ../../src/gcc/cp/parser.c:19693
#31 0x000000000063f901 in cp_parser_template_declaration (
    parser=0x7ffff18e72d0, member_p=0 '\000')
    at ../../src/gcc/cp/parser.c:11030
#32 0x000000000063d25d in cp_parser_declaration (parser=0x7ffff18e72d0)
    at ../../src/gcc/cp/parser.c:9369
#33 0x000000000063cff9 in cp_parser_declaration_seq_opt (parser=0x7ffff18e72d0)
    at ../../src/gcc/cp/parser.c:9299
#34 0x00000000006321a9 in cp_parser_translation_unit (parser=0x7ffff18e72d0)
    at ../../src/gcc/cp/parser.c:3432
---Type <return> to continue, or q <return> to quit---
#35 0x000000000065e76d in c_parse_file () at ../../src/gcc/cp/parser.c:24918
#36 0x00000000007ea80a in c_common_parse_file (set_yydebug=0)
    at ../../src/gcc/c-family/c-opts.c:1162
#37 0x0000000000c700be in compile_file () at ../../src/gcc/toplev.c:919
#38 0x0000000000c7259c in do_compile () at ../../src/gcc/toplev.c:2359
#39 0x0000000000c726c8 in toplev_main (argc=14, argv=0x7fffffffe208)
    at ../../src/gcc/toplev.c:2419
#40 0x0000000000809d14 in main (argc=14, argv=0x7fffffffe208)
    at ../../src/gcc/main.c:36
(gdb)

[Bug c++/46277] [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46277

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-02 21:07:44 UTC ---
Created attachment 22241
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22241
A testcase

This isn't the correct C++ code. But the crash is similar:

(gdb) r  -fpreprocessed pr46277.ii -quiet -dumpbase pr46277.ii -mtune=generic
-arch=x86-64 -auxbase pr46277 -O2 -version -o pr46277.s
Starting program:
/export/gnu/import/rrs/166167/usr/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus
-fpreprocessed pr46277.ii -quiet -dumpbase pr46277.ii -mtune=generic
-march=x86-64 -auxbase pr46277 -O2 -version -o pr46277.s
GNU C++ (GCC) version 4.6.0 20101102 (experimental) [trunk revision 166167]
(x86_64-unknown-linux-gnu)
    compiled by GNU C version 4.4.4 20100630 (Red Hat 4.4.4-10), GMP version
4.3.2, MPFR version 2.4.2-p3, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++ (GCC) version 4.6.0 20101102 (experimental) [trunk revision 166167]
(x86_64-unknown-linux-gnu)
    compiled by GNU C version 4.4.4 20100630 (Red Hat 4.4.4-10), GMP version
4.3.2, MPFR version 2.4.2-p3, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 76aad85e17351790718ddccb4a2aa193
pr46277.ii:1:50: error: expected type-specifier before ‘char_traits’
pr46277.ii:1:50: error: expected ‘>’ before ‘char_traits’
pr46277.ii:2:32: error: template argument 2 is invalid
pr46277.ii:2:42: error: invalid type in declaration before ‘;’ token
pr46277.ii:4:84: error: ‘ggRGBEType’ does not name a type
pr46277.ii:4:268: error: ‘ggRGBEType’ has not been declared
pr46277.ii:4:817: error: ‘ggRGBEType’ does not name a type
pr46277.ii: In member function ‘void ggRGBE::ShiftExponent(int)’:
pr46277.ii:4:327: error: ‘data’ was not declared in this scope
pr46277.ii: At global scope:
pr46277.ii:6:41: error: ‘ggRaster’ has not been declared
pr46277.ii:6:49: error: expected ‘,’ or ‘...’ before ‘<’ token
pr46277.ii:8:35: error: expected constructor, destructor, or type conversion
before ‘(’ token
pr46277.ii:10:64: error: ‘ggRaster’ has not been declared
pr46277.ii:10:72: error: expected ‘,’ or ‘...’ before ‘<’ token
pr46277.ii: In member function ‘ggBoolean ggIO<T>::readbody(ifstream*, int)’:
pr46277.ii:11:16: error: ‘type’ was not declared in this scope
pr46277.ii:11:38: error: ‘GGPPM’ was not declared in this scope
pr46277.ii:11:45: error: ‘count’ was not declared in this scope
pr46277.ii:11:66: error: ‘GGGE’ was not declared in this scope
pr46277.ii:11:85: error: ‘scanline’ was not declared in this scope
pr46277.ii:11:107: error: ‘width’ was not declared in this scope

Program received signal SIGSEGV, Segmentation fault.
0x00000000006ae43d in expand_default_init (binfo=0x7ffff1952000, 
    true_exp=0x7ffff195f150, exp=0x7ffff195f150, init=0x0, flags=3, complain=3)
    at ../../src/gcc/cp/init.c:1446
1446          if (DECL_DECLARED_CONSTEXPR_P (fn))
Missing separate debuginfos, use: debuginfo-install
cloog-ppl-0.15.9-0.0.f13.x86_64 elfutils-libelf-0.149-1.fc13.x86_64
glibc-2.12.1-4.0.f13.x86_64 gmp-4.3.2-0.0.f13.x86_64
libgcc-4.4.4-10.fc13.x86_64 libmpc-0.8.1-1.0.f13.x86_64
libstdc++-4.4.4-10.fc13.x86_64 mpfr-2.4.2-1.0.f13.x86_64
ppl-0.10.2-10.fc12.x86_64 zlib-1.2.3-23.fc12.x86_64
(gdb) bt
#0  0x00000000006ae43d in expand_default_init (binfo=0x7ffff1952000, 
    true_exp=0x7ffff195f150, exp=0x7ffff195f150, init=0x0, flags=3, complain=3)
    at ../../src/gcc/cp/init.c:1446
#1  0x00000000006ae849 in expand_aggr_init_1 (binfo=0x7ffff1952000, 
    true_exp=0x7ffff195f150, exp=0x7ffff195f150, init=0x0, flags=3, complain=3)
    at ../../src/gcc/cp/init.c:1536
#2  0x00000000006adb88 in build_aggr_init (exp=0x7ffff195f150, init=0x0, 
    flags=0, complain=3) at ../../src/gcc/cp/init.c:1351
#3  0x00000000006b54a6 in build_vec_init (base=0x7ffff1a1f960, 
    maxindex=0x7ffff1a00e70, init=0x0, explicit_value_init_p=0 '\000', 
    from_array=0, complain=3) at ../../src/gcc/cp/init.c:3164
#4  0x00000000006b20ee in build_new_1 (placement=0x7fffffffd3a8, 
    type=0x7ffff194f2a0, nelts=0x7ffff19fd500, init=0x7fffffffd3a0, 
    globally_qualified_p=0 '\000', complain=3) at ../../src/gcc/cp/init.c:2320
#5  0x00000000006b2bd3 in build_new (placement=0x7fffffffd3a8, 
    type=0x7ffff194f2a0, nelts=0x7ffff19fd500, init=0x7fffffffd3a0, 
    use_global_new=0, complain=3) at ../../src/gcc/cp/init.c:2582
#6  0x00000000006376fb in cp_parser_new_expression (parser=0x7ffff194e000)
    at ../../src/gcc/cp/parser.c:6197
#7  0x0000000000636fcb in cp_parser_unary_expression (parser=0x7ffff194e000, 
    address_p=0 '\000', cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:5890
#8  0x0000000000637f5f in cp_parser_cast_expression (parser=0x7ffff194e000, 
---Type <return> to continue, or q <return> to quit---
    address_p=0 '\000', cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:6653
#9  0x0000000000637fc3 in cp_parser_binary_expression (parser=0x7ffff194e000, 
    cast_p=0 '\000', no_toplevel_fold_p=0 '\000', prec=PREC_NOT_OPERATOR, 
    pidk=0x0) at ../../src/gcc/cp/parser.c:6750
#10 0x000000000063858f in cp_parser_assignment_expression (
    parser=0x7ffff194e000, cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:6966
#11 0x000000000063886d in cp_parser_constant_expression (
    parser=0x7ffff194e000, allow_non_constant_p=1 '\001', 
    non_constant_p=0x7fffffffd7ef "") at ../../src/gcc/cp/parser.c:7191
#12 0x000000000064980a in cp_parser_initializer_clause (parser=0x7ffff194e000, 
    non_constant_p=0x7fffffffd7ef "") at ../../src/gcc/cp/parser.c:16409
#13 0x00000000006385ef in cp_parser_assignment_expression (
    parser=0x7ffff194e000, cast_p=0 '\000', pidk=0x0)
    at ../../src/gcc/cp/parser.c:6985
#14 0x0000000000638764 in cp_parser_expression (parser=0x7ffff194e000, 
    cast_p=0 '\000', pidk=0x0) at ../../src/gcc/cp/parser.c:7112
#15 0x000000000063af75 in cp_parser_expression_statement (
    parser=0x7ffff194e000, in_statement_expr=0x0)
    at ../../src/gcc/cp/parser.c:8226
#16 0x000000000063ac42 in cp_parser_statement (parser=0x7ffff194e000, 
    in_statement_expr=0x0, in_compound=1 '\001', if_p=0x0)
---Type <return> to continue, or q <return> to quit---
    at ../../src/gcc/cp/parser.c:8091
#17 0x000000000063b568 in cp_parser_statement_seq_opt (parser=0x7ffff194e000, 
    in_statement_expr=0x0) at ../../src/gcc/cp/parser.c:8340
#18 0x000000000063b467 in cp_parser_compound_statement (parser=0x7ffff194e000, 
    in_statement_expr=0x0, in_try=0 '\000') at ../../src/gcc/cp/parser.c:8294
#19 0x000000000063cde7 in cp_parser_implicitly_scoped_statement (
    parser=0x7ffff194e000, if_p=0x0) at ../../src/gcc/cp/parser.c:9202
#20 0x000000000063b8d7 in cp_parser_selection_statement (
    parser=0x7ffff194e000, if_p=0x0) at ../../src/gcc/cp/parser.c:8486
#21 0x000000000063aaa1 in cp_parser_statement (parser=0x7ffff194e000, 
    in_statement_expr=0x0, in_compound=1 '\001', if_p=0x0)
    at ../../src/gcc/cp/parser.c:7997
#22 0x000000000063b568 in cp_parser_statement_seq_opt (parser=0x7ffff194e000, 
    in_statement_expr=0x0) at ../../src/gcc/cp/parser.c:8340
#23 0x000000000063b467 in cp_parser_compound_statement (parser=0x7ffff194e000, 
    in_statement_expr=0x0, in_try=0 '\000') at ../../src/gcc/cp/parser.c:8294
#24 0x0000000000648eb9 in cp_parser_function_body (parser=0x7ffff194e000)
    at ../../src/gcc/cp/parser.c:16265
#25 0x0000000000649424 in cp_parser_ctor_initializer_opt_and_function_body (
    parser=0x7ffff194e000) at ../../src/gcc/cp/parser.c:16302
#26 0x0000000000650554 in cp_parser_function_definition_after_declarator (
    parser=0x7ffff194e000, inline_p=0 '\000')
    at ../../src/gcc/cp/parser.c:19589
---Type <return> to continue, or q <return> to quit---
#27 0x0000000000650413 in
cp_parser_function_definition_from_specifiers_and_declarator
(parser=0x7ffff194e000, decl_specifiers=0x7fffffffde50, attributes=0x0, 
    declarator=0x1b7da30) at ../../src/gcc/cp/parser.c:19518
#28 0x0000000000645807 in cp_parser_init_declarator (parser=0x7ffff194e000, 
    decl_specifiers=0x7fffffffde50, checks=0x0, 
    function_definition_allowed_p=1 '\001', member_p=0 '\000', 
    declares_class_or_enum=0, function_definition_p=0x7fffffffde4f "\001")
    at ../../src/gcc/cp/parser.c:14412
#29 0x0000000000650e4c in cp_parser_single_declaration (parser=0x7ffff194e000, 
    checks=0x0, member_p=0 '\000', explicit_specialization_p=0 '\000', 
    friend_p=0x7fffffffdf0f "") at ../../src/gcc/cp/parser.c:19843
#30 0x00000000006507cc in cp_parser_template_declaration_after_export (
    parser=0x7ffff194e000, member_p=0 '\000')
    at ../../src/gcc/cp/parser.c:19693
#31 0x000000000063f901 in cp_parser_template_declaration (
    parser=0x7ffff194e000, member_p=0 '\000')
    at ../../src/gcc/cp/parser.c:11030
#32 0x000000000063d25d in cp_parser_declaration (parser=0x7ffff194e000)
    at ../../src/gcc/cp/parser.c:9369
#33 0x000000000063cff9 in cp_parser_declaration_seq_opt (parser=0x7ffff194e000)
    at ../../src/gcc/cp/parser.c:9299
#34 0x00000000006321a9 in cp_parser_translation_unit (parser=0x7ffff194e000)
    at ../../src/gcc/cp/parser.c:3432
---Type <return> to continue, or q <return> to quit---
#35 0x000000000065e76d in c_parse_file () at ../../src/gcc/cp/parser.c:24918
#36 0x00000000007ea80a in c_common_parse_file (set_yydebug=0)
    at ../../src/gcc/c-family/c-opts.c:1162
#37 0x0000000000c700be in compile_file () at ../../src/gcc/toplev.c:919
#38 0x0000000000c7259c in do_compile () at ../../src/gcc/toplev.c:2359
#39 0x0000000000c726c8 in toplev_main (argc=14, argv=0x7fffffffe258)
    at ../../src/gcc/toplev.c:2419
#40 0x0000000000809d14 in main (argc=14, argv=0x7fffffffe258)
    at ../../src/gcc/main.c:36
(gdb)

[Bug c++/46277] [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46277

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.11.02 22:47:40
     Ever Confirmed|0                           |1

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-02 22:47:40 UTC ---
[hjl@gnu-35 delta]$ cat pr46277.cc
typedef int ggBoolean;
class ggRGBE {
public:
    ggRGBE();
};
template <class T> class ggIO {
  ggBoolean readbody(int, int *);
  ggRGBE *scanline;
};
template <class T> ggBoolean
ggIO<T>::readbody(int width, int *type)
{
  int count = -1;
  switch (*type)
    {
    case 0:
      count = 3;
      break;
    case 1:
      count = 2;
      scanline = new ggRGBE[width]; 
      break;
    }
  return count;
}
[hjl@gnu-35 delta]$ /export/gnu/import/rrs/166167/usr/bin/gcc -O2 -S pr46277.cc
pr46277.cc: In member function ‘ggBoolean ggIO<T>::readbody(int, int*)’:
pr46277.cc:21:34: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-35 delta]$

[Bug c++/46277] [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46277

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-02 22:51:20 UTC ---
[hjl@gnu-35 delta]$ cat pr46277.cc
class ggRGBE {
public:
    ggRGBE();
};
template <class T> class ggIO
{
  void readbody(int);
  ggRGBE *scanline;
};
template <class T> void
ggIO<T>::readbody(int width)
{
  scanline = new ggRGBE[width]; 
}
[hjl@gnu-35 delta]$ /export/gnu/import/rrs/166167/usr/bin/gcc -O2 -S pr46277.cc
pr46277.cc: In member function ‘void ggIO<T>::readbody(int)’:
pr46277.cc:13:30: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-35 delta]$

[Bug c++/46277] [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46277

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> 2010-11-03 15:33:08 UTC ---
Author: jason
Date: Wed Nov  3 15:33:05 2010
New Revision: 166254

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166254
Log:
    PR c++/46277
    * init.c (expand_default_init): Avoid ICE if we can't figure out
    which function is being called.

Added:
    trunk/gcc/testsuite/g++.dg/template/new9.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/init.c

[Bug c++/46277] [4.6 Regression] Revision 166167 failed to build 252.eon in SPEC CPU 2000

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46277

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |jason at gcc dot gnu.org
         Resolution|                            |FIXED

--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> 2010-11-04 03:27:17 UTC ---
Fixed.