When mangling an APSInt with the ms abi, make sure to look at all nibbles.
Currently, it's ignored if the number of set bits isn't divisible by 4.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165116 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp
index 072ad06..d456e82 100644
--- a/lib/AST/MicrosoftMangle.cpp
+++ b/lib/AST/MicrosoftMangle.cpp
@@ -350,7 +350,7 @@
char *CurPtr = EndPtr;
llvm::APSInt NibbleMask(Value.getBitWidth(), Value.isUnsigned());
NibbleMask = 0xf;
- for (int i = 0, e = Value.getActiveBits() / 4; i != e; ++i) {
+ for (int i = 0, e = (Value.getActiveBits() + 3) / 4; i != e; ++i) {
*--CurPtr = 'A' + Temp.And(NibbleMask).getLimitedValue(0xf);
Temp = Temp.lshr(4);
}