[Bug other/65911] New: [6 Regression] r222508 breaks clang-tblgen

["trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65911

            Bug ID: 65911
           Summary: [6 Regression] r222508 breaks clang-tblgen
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
                CC: tbsaunde at gcc dot gnu.org
  Target Milestone: ---

Starting with r222508 LLVM doesn't build anymore on ppc64le:

trippels@gcc2-power8 llvm_build % ./bin/clang-tblgen -gen-clang-attr-impl -I
/home/trippels/llvm/tools/clang/include/clang/AST/../../ -I
/home/trippels/llvm/tools/clang/include/clang/AST -I
/home/trippels/llvm/lib/Target -I /home/trippels/llvm/include
/home/trippels/llvm/tools/clang/include/clang/AST/../Basic/Attr.td -o
/home/trippels/llvm_build/tools/clang/include/clang/AST/AttrImpl.inc.tmp
Program received signal SIGSEGV, Segmentation fault.
0x00003fffb79d1ee4 in __strcmp_power7 () from /lib64/libc.so.6
(gdb) bt
#0  0x00003fffb79d1ee4 in __strcmp_power7 () from /lib64/libc.so.6
#1  0x000000001005c504 in llvm::cl::generic_parser_base::findOption(char
const*) ()
#2  0x0000000010004f9c in _GLOBAL__sub_I_TableGen.cpp ()