Fix .eh table linkage issues on Darwin.  Some EH support
for Darwin PPC, but it's not fully working yet.

llvm-svn: 44258
diff --git a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
index 5575ee7..a78a898 100644
--- a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -124,7 +124,7 @@
       // FIXME: This should be parameterized somewhere.
       EmitAlignment(4, F, 0, true, 0x90);
       O << "\t.globl\t" << CurrentFnName << "\n";
-      O << "\t.weak_definition\t" << CurrentFnName << "\n";
+      O << TAI->getWeakDefDirective() << CurrentFnName << "\n";
     } else if (Subtarget->isTargetCygMing()) {
       EmitAlignment(4, F);     // FIXME: This should be parameterized somewhere.
       O << "\t.globl\t" << CurrentFnName << "\n";