[Bug c++/50800] Internal compiler error in finish_member_declarations, possibly related to may_alias attribute

[edanor1 at wp dot pl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50800

edanor1 at wp dot pl <edanor1 at wp dot pl> changed:

           What    |Removed                     |Added
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                 CC|                            |edanor1 at wp dot pl

--- Comment #19 from edanor1 at wp dot pl <edanor1 at wp dot pl> ---
Hi everyone,

I just got a similar output on GCC 5.1.0. I think it might be related, however
this appears to be for different syntax.

Flags are: "-mavx -std=c++11 -Wfatal-errors -O0"

Please let me know if you still need a test case.

.../BOOST/boost_1_57_0/boost/type_traits/remove_reference.hpp:42:1: note: in
expansion of macro ‘BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1’
 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T&,T)
 ^
0x6ef1fc finish_member_declaration(tree_node*)
        ../../gcc/cp/semantics.c:2872
0x66af2d instantiate_class_template_1
        ../../gcc/cp/pt.c:9487
0x66af2d instantiate_class_template(tree_node*)
        ../../gcc/cp/pt.c:9688
0x6c5bed complete_type(tree_node*)
        ../../gcc/cp/typeck.c:146
0x653e5f tsubst(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.c:12441
0x65e759 tsubst_template_args
        ../../gcc/cp/pt.c:10257
0x65ec84 tsubst_aggr_type
        ../../gcc/cp/pt.c:10454
0x653891 tsubst(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.c:11909
0x66b909 instantiate_class_template_1
        ../../gcc/cp/pt.c:9275
0x66b909 instantiate_class_template(tree_node*)
        ../../gcc/cp/pt.c:9688
0x6c5bed complete_type(tree_node*)
        ../../gcc/cp/typeck.c:146
0x653e5f tsubst(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.c:12441
0x6519e1 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
        ../../gcc/cp/pt.c:14654
0x6514e5 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
        ../../gcc/cp/pt.c:15066
0x653320 tsubst(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.c:12530
0x660c02 tsubst_decl
        ../../gcc/cp/pt.c:11339
0x653c54 tsubst(tree_node*, tree_node*, int, tree_node*)
        ../../gcc/cp/pt.c:11830
0x66aed2 instantiate_class_template_1
        ../../gcc/cp/pt.c:9424
0x66aed2 instantiate_class_template(tree_node*)
        ../../gcc/cp/pt.c:9688
0x6c5bed complete_type(tree_node*)
        ../../gcc/cp/typeck.c:146