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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/58624] gcc internal compiler error: Segmentaion fault in insert_to_assembler_name_hash
Date: Tue, 26 Aug 2014 12:39:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58624

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |trippels at gcc dot gnu.org

--- Comment #7 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
For 5:

markus@x4 tmp % cat boo.ii
static __typeof 0 a __attribute__ ((__weakref__ ("")));
template <typename> class A
{
  static __thread int b;
};

markus@x4 tmp % g++ -std=c++11 boo.ii
boo.ii:5:2: internal compiler error: Segmentation fault
 };
  ^
0xbbfe5f crash_signal
        ../../gcc/gcc/toplev.c:339
0x856964 tree_check
        ../../gcc/gcc/tree.h:2962
0x856964 symbol_table::decl_assembler_name_hash(tree_node const*)
        ../../gcc/gcc/symtab.c:69
0x856c13 symbol_table::insert_to_assembler_name_hash(symtab_node*, bool)
        ../../gcc/gcc/symtab.c:181
0x856d5c symbol_table::symtab_initialize_asm_name_hash()
        ../../gcc/gcc/symtab.c:263
0x858414 symbol_table::symtab_initialize_asm_name_hash()
        ../../gcc/gcc/symtab.c:958
0x858414 symtab_node::get_for_asmname(tree_node const*)
        ../../gcc/gcc/symtab.c:947
0x864d80 handle_alias_pairs
        ../../gcc/gcc/cgraphunit.c:1111
0x869d8c symbol_table::finalize_compilation_unit()
        ../../gcc/gcc/cgraphunit.c:2264
0x656d6a cp_write_global_declarations()
        ../../gcc/gcc/cp/decl2.c:4666
Please submit a full bug report,
with preprocessed source if appropriate.

for 4.8, 4.9 and 5:

markus@x4 tmp % cat test.ii
namespace std
{
typedef int string;
template <typename> class unique_ptr;
}
template <typename> class A
{
  static thread_local std::unique_ptr<std::string> s;

public:
  A () { s; }
};

int main () { A<void> a; }

markus@x4 tmp % g++ -std=c++11 test.ii
cc1plus: internal compiler error: Segmentation fault
0xbbfe5f crash_signal
        ../../gcc/gcc/toplev.c:339
0x856964 tree_check
        ../../gcc/gcc/tree.h:2962
0x856964 symbol_table::decl_assembler_name_hash(tree_node const*)
        ../../gcc/gcc/symtab.c:69
0x856c13 symbol_table::insert_to_assembler_name_hash(symtab_node*, bool)
        ../../gcc/gcc/symtab.c:181
0x856d5c symbol_table::symtab_initialize_asm_name_hash()
        ../../gcc/gcc/symtab.c:263
0x8699d2 analyze_functions
        ../../gcc/gcc/cgraphunit.c:1094
0x869da5 symbol_table::finalize_compilation_unit()
        ../../gcc/gcc/cgraphunit.c:2277
0x656d6a cp_write_global_declarations()
        ../../gcc/gcc/cp/decl2.c:4666
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.