Fix <rdar://problem/6291588> assertion failure: SourceManager.h line 489.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59664 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/RewriteObjC.cpp b/Driver/RewriteObjC.cpp
index 804a891..a3ce8a8 100644
--- a/Driver/RewriteObjC.cpp
+++ b/Driver/RewriteObjC.cpp
@@ -1572,9 +1572,21 @@
void RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) {
QualType Type = E->getType();
if (needToScanForQualifiers(Type)) {
- SourceLocation Loc = E->getLocStart();
+ SourceLocation Loc, EndLoc;
+
+ if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) {
+ Loc = ECE->getLParenLoc();
+ EndLoc = ECE->getRParenLoc();
+ } else {
+ Loc = E->getLocStart();
+ EndLoc = E->getLocEnd();
+ }
+ // This will defend against trying to rewrite synthesized expressions.
+ if (Loc.isInvalid() || EndLoc.isInvalid())
+ return;
+
const char *startBuf = SM->getCharacterData(Loc);
- const char *endBuf = SM->getCharacterData(E->getLocEnd());
+ const char *endBuf = SM->getCharacterData(EndLoc);
const char *startRef = 0, *endRef = 0;
if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) {
// Get the locations of the startRef, endRef.