Revert r75610 (and r75620, which was blocking the revert), in the hopes of
unbreaking llvm-gcc (on Darwin).

--- Reverse-merging r75620 into '.':
U    include/llvm/Support/Mangler.h
--- Reverse-merging r75610 into '.':
U    test/CodeGen/X86/loop-hoist.ll
G    include/llvm/Support/Mangler.h
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
U    lib/VMCore/Mangler.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75636 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/loop-hoist.ll b/test/CodeGen/X86/loop-hoist.ll
index fe947d7..73284a4 100644
--- a/test/CodeGen/X86/loop-hoist.ll
+++ b/test/CodeGen/X86/loop-hoist.ll
@@ -1,10 +1,10 @@
 ; RUN: llvm-as < %s | \
 ; RUN:   llc -relocation-model=dynamic-no-pic -mtriple=i686-apple-darwin8.7.2 |\
-; RUN:   grep LArr.non_lazy_ptr
+; RUN:   grep L_Arr.non_lazy_ptr
 ; RUN: llvm-as < %s | \
 ; RUN:   llc -disable-post-RA-scheduler=true \
 ; RUN:       -relocation-model=dynamic-no-pic -mtriple=i686-apple-darwin8.7.2 |\
-; RUN:   %prcontext LArr.non_lazy_ptr 1 | grep {4(%esp)}
+; RUN:   %prcontext L_Arr.non_lazy_ptr 1 | grep {4(%esp)}
 
 @Arr = external global [0 x i32]		; <[0 x i32]*> [#uses=1]