[Windows] Fix mangling of number literal '0'
Do this by making the mangleNumber(APSInt) overload look like
the int64_t version. (The latter should probably just delegate
to the former).
Test from Evgeny Eltsin!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167599 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp
index 3765f30..b7bfc70 100644
--- a/lib/AST/MicrosoftMangle.cpp
+++ b/lib/AST/MicrosoftMangle.cpp
@@ -351,10 +351,10 @@
char *CurPtr = EndPtr;
llvm::APSInt NibbleMask(Value.getBitWidth(), Value.isUnsigned());
NibbleMask = 0xf;
- for (int i = 0, e = (Value.getActiveBits() + 3) / 4; i != e; ++i) {
+ do {
*--CurPtr = 'A' + Temp.And(NibbleMask).getLimitedValue(0xf);
Temp = Temp.lshr(4);
- }
+ } while (Temp != 0);
Out.write(CurPtr, EndPtr-CurPtr);
Out << '@';
}