r256662 - [MS ABI] Replace dead code with an assertion

[David Majnemer via cfe-commits]

Author: majnemer
Date: Wed Dec 30 23:36:50 2015
New Revision: 256662

URL: http://llvm.org/viewvc/llvm-project?rev=256662&view=rev
Log:
[MS ABI] Replace dead code with an assertion

As per C++ [dcl.ref]p1, cv-qualified references are not valid. As such,
change the mangler to assert that this event does not happen.

Modified:
    cfe/trunk/lib/AST/MicrosoftMangle.cpp

Modified: cfe/trunk/lib/AST/MicrosoftMangle.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/MicrosoftMangle.cpp?rev=256662&r1=256661&r2=256662&view=diff
==============================================================================
--- cfe/trunk/lib/AST/MicrosoftMangle.cpp (original)
+++ cfe/trunk/lib/AST/MicrosoftMangle.cpp Wed Dec 30 23:36:50 2015
@@ -2215,7 +2215,8 @@ void MicrosoftCXXNameMangler::mangleType
 void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T,
                                          Qualifiers Quals, SourceRange Range) {
   QualType PointeeType = T->getPointeeType();
-  Out << (Quals.hasVolatile() ? 'B' : 'A');
+  assert(!Quals.hasConst() && !Quals.hasVolatile() && "unexpected qualifier!");
+  Out << 'A';
   manglePointerExtQualifiers(Quals, PointeeType);
   mangleType(PointeeType, Range);
 }
@@ -2226,7 +2227,8 @@ void MicrosoftCXXNameMangler::mangleType
 void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T,
                                          Qualifiers Quals, SourceRange Range) {
   QualType PointeeType = T->getPointeeType();
-  Out << (Quals.hasVolatile() ? "$$R" : "$$Q");
+  assert(!Quals.hasConst() && !Quals.hasVolatile() && "unexpected qualifier!");
+  Out << "$$Q";
   manglePointerExtQualifiers(Quals, PointeeType);
   mangleType(PointeeType, Range);
 }