[analyzer] Fix a new failure encountered while building Adium exposed as a result of r138196(radar://10087620). ObjectiveC property of type int has a value of type ObjCPropRef, which is a Loc.

llvm-svn: 139507

2 files changed, 27 insertions, 2 deletions

diff --git a/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp b/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
index e17f0bee20d..ebf7ae2fd4b 100644
--- a/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
+++ b/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
@@ -213,8 +213,13 @@ SVal SValBuilder::evalCast(SVal val, QualType castTy, QualType originalTy) {
     return UnknownVal();
   
   // Check for casts from integers to integers.
-  if (castTy->isIntegerType() && originalTy->isIntegerType())
-    return evalCastFromNonLoc(cast<NonLoc>(val), castTy);
+  if (castTy->isIntegerType() && originalTy->isIntegerType()) {
+    if (isa<Loc>(val))
+      // This can be a cast to ObjC property of type int.
+      return evalCastFromLoc(cast<Loc>(val), castTy);
+    else
+      return evalCastFromNonLoc(cast<NonLoc>(val), castTy);
+  }
 
   // Check for casts from pointers to integers.
   if (castTy->isIntegerType() && Loc::isLocType(originalTy))
diff --git a/clang/test/Analysis/casts.m b/clang/test/Analysis/casts.m
index b19ead4b058..c4edc044b82 100644
--- a/clang/test/Analysis/casts.m
+++ b/clang/test/Analysis/casts.m
@@ -19,3 +19,23 @@ void* test2(void *p) {
   MyFuncTest1 fp = (MyFuncTest1) p;
   return (*fp)();
 }
+
+// <radar://10087620>
+// A cast from int onjective C property reference to int.
+typedef signed char BOOL;
+@protocol NSObject  - (BOOL)isEqual:(id)object; @end
+@interface NSObject <NSObject> {} - (id)init; @end
+typedef enum {
+  AIMediaTypeAudio,
+  AIMediaTypeVideo
+} AIMediaType;
+@interface AIMedia : NSObject {
+  AIMediaType   mediaType;
+}
+@property (readwrite, nonatomic) AIMediaType mediaType;
+static void
+adium_media_ready_cb(AIMedia *adiumMedia, const char *sid)
+{
+  adiumMedia.mediaType |= AIMediaTypeVideo;
+}
+@end
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