Fix <rdar://problem/6424347> clang on xcode: Assertion failed: (0 && "unexpected type"), function mergeTypes,

llvm-svn: 60845

1 files changed, 27 insertions, 27 deletions

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index ba61332a44f..241dce6c95a 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -2126,35 +2126,35 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
   if (LHSClass == Type::ObjCQualifiedInterface) LHSClass = Type::ObjCInterface;
   if (RHSClass == Type::ObjCQualifiedInterface) RHSClass = Type::ObjCInterface;
 
-  // If the canonical type classes don't match.
-  if (LHSClass != RHSClass) {
-    // ID is compatible with all qualified id types.
-    if (LHS->isObjCQualifiedIdType()) {
-      if (const PointerType *PT = RHS->getAsPointerType()) {
-        QualType pType = PT->getPointeeType();
-        if (isObjCIdType(pType))
-          return LHS;
-        // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true).
-        // Unfortunately, this API is part of Sema (which we don't have access
-        // to. Need to refactor. The following check is insufficient, since we 
-        // need to make sure the class implements the protocol.
-        if (pType->isObjCInterfaceType())
-          return LHS;
-      }
+  // ID is compatible with all qualified id types.
+  if (LHS->isObjCQualifiedIdType()) {
+    if (const PointerType *PT = RHS->getAsPointerType()) {
+      QualType pType = PT->getPointeeType();
+      if (isObjCIdType(pType))
+        return LHS;
+      // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true).
+      // Unfortunately, this API is part of Sema (which we don't have access
+      // to. Need to refactor. The following check is insufficient, since we 
+      // need to make sure the class implements the protocol.
+      if (pType->isObjCInterfaceType())
+        return LHS;
     }
-    if (RHS->isObjCQualifiedIdType()) {
-      if (const PointerType *PT = LHS->getAsPointerType()) {
-        QualType pType = PT->getPointeeType();
-        if (isObjCIdType(pType))
-          return RHS;
-        // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true).
-        // Unfortunately, this API is part of Sema (which we don't have access
-        // to. Need to refactor. The following check is insufficient, since we 
-        // need to make sure the class implements the protocol.
-        if (pType->isObjCInterfaceType())
-          return RHS;
-      }
+  }
+  if (RHS->isObjCQualifiedIdType()) {
+    if (const PointerType *PT = LHS->getAsPointerType()) {
+      QualType pType = PT->getPointeeType();
+      if (isObjCIdType(pType))
+        return RHS;
+      // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true).
+      // Unfortunately, this API is part of Sema (which we don't have access
+      // to. Need to refactor. The following check is insufficient, since we 
+      // need to make sure the class implements the protocol.
+      if (pType->isObjCInterfaceType())
+        return RHS;
     }
+  }
+  // If the canonical type classes don't match.
+  if (LHSClass != RHSClass) {
 
     // C99 6.7.2.2p4: Each enumerated type shall be compatible with char,
     // a signed integer type, or an unsigned integer type.