Honza, This patch introduces 45 new libstdc++ testsuite failure for AIX.
Program received signal SIGSEGV, Segmentation fault. _Z20ipa_record_referenceP15symtab_node_defS0_11ipa_ref_useP18gimple_statement_d (referring_node=0x70d3ad58, referred_node=0x0, use_type=IPA_REF_ALIAS, stmt=0x0) at /nasfarm/dje/src/src/gcc/ipa-ref.c:338 #1 0x10560b10 in _Z20symtab_resolve_aliasP15symtab_node_defS0_ ( node=0x70d3ad58, target=0x0) at /nasfarm/dje/src/src/gcc/symtab.c:928 #2 0x10592028 in _Z32cgraph_process_same_body_aliasesv () at /nasfarm/dje/src/src/gcc/cgraphunit.c:660 #3 0x106d2574 in _Z28cp_write_global_declarationsv () at /nasfarm/dje/src/src/gcc/cp/decl2.c:3999 #4 0x10000b14 in _ZL12compile_filev () at /nasfarm/dje/src/src/gcc/toplev.c:558 #5 0x10003734 in _Z11toplev_mainiPPc (argc=9, argv=0x2ff228a8) at /nasfarm/dje/src/src/gcc/toplev.c:1872 #6 0x10000410 in main (argc=<error reading variable>, argv=<error reading variable>) at _start_ :36 Possibly this did not appear for powerpc64-linux because AIX does not support ELF-style visibility. - David