[ms-inline asm] Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163123 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index deef844..f463b77 100644
--- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -106,6 +106,9 @@
const SmallVectorImpl<MCParsedAsmOperand*> &Operands,
unsigned OperandNum) {
assert (0 && "GetMCInstOperandNum() not supported by the Mips target.");
+ // The Mips backend doesn't currently include the matcher implementation, so
+ // the GetMCInstOperandNumImpl() is undefined. This is a temporary
+ // work around.
return 0;
}