[llvm-branch-commits] [cfe-branch] r214840 - Merging r214735:

[Bill Wendling]

Author: void
Date: Tue Aug  5 00:19:37 2014
New Revision: 214840

URL: http://llvm.org/viewvc/llvm-project?rev=214840&view=rev
Log:
Merging r214735:
------------------------------------------------------------------------
r214735 | ogoffart | 2014-08-04 10:28:11 -0700 (Mon, 04 Aug 2014) | 1 line

Fix crash when accessing a property of an invalid interface
------------------------------------------------------------------------

Modified:
    cfe/branches/release_35/   (props changed)
    cfe/branches/release_35/lib/Sema/SemaPseudoObject.cpp
    cfe/branches/release_35/test/SemaObjCXX/property-invalid-type.mm

Propchange: cfe/branches/release_35/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Aug  5 00:19:37 2014
@@ -1,4 +1,4 @@
 /cfe/branches/type-system-rewrite:134693-134817
-/cfe/trunk:213609,213611,213613,213741,213834,213840,213902,213912-213913,213993,213998-213999,214008,214050,214060,214119,214208,214222,214369,214390,214471,214734,214777
+/cfe/trunk:213609,213611,213613,213741,213834,213840,213902,213912-213913,213993,213998-213999,214008,214050,214060,214119,214208,214222,214369,214390,214471,214734-214735,214777
 /cfe/trunk/test:170344
 /cfe/trunk/test/SemaTemplate:126920

Modified: cfe/branches/release_35/lib/Sema/SemaPseudoObject.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/branches/release_35/lib/Sema/SemaPseudoObject.cpp?rev=214840&r1=214839&r2=214840&view=diff
==============================================================================
--- cfe/branches/release_35/lib/Sema/SemaPseudoObject.cpp (original)
+++ cfe/branches/release_35/lib/Sema/SemaPseudoObject.cpp Tue Aug  5 00:19:37 
2014
@@ -284,7 +284,7 @@ namespace {
     bool tryBuildGetOfReference(Expr *op, ExprResult &result);
     bool findSetter(bool warn=true);
     bool findGetter();
-    bool DiagnoseUnsupportedPropertyUse();
+    void DiagnoseUnsupportedPropertyUse();
 
     Expr *rebuildAndCaptureObject(Expr *syntacticBase) override;
     ExprResult buildGet() override;
@@ -642,7 +642,7 @@ bool ObjCPropertyOpBuilder::findSetter(b
   return false;
 }
 
-bool ObjCPropertyOpBuilder::DiagnoseUnsupportedPropertyUse() {
+void ObjCPropertyOpBuilder::DiagnoseUnsupportedPropertyUse() {
   if (S.getCurLexicalContext()->isObjCContainer() &&
       S.getCurLexicalContext()->getDeclKind() != Decl::ObjCCategoryImpl &&
       S.getCurLexicalContext()->getDeclKind() != Decl::ObjCImplementation) {
@@ -650,10 +650,8 @@ bool ObjCPropertyOpBuilder::DiagnoseUnsu
         S.Diag(RefExpr->getLocation(),
                diag::err_property_function_in_objc_container);
         S.Diag(prop->getLocation(), diag::note_property_declare);
-        return true;
     }
   }
-  return false;
 }
 
 /// Capture the base object of an Objective-C property expression.
@@ -679,10 +677,10 @@ Expr *ObjCPropertyOpBuilder::rebuildAndC
 /// Load from an Objective-C property reference.
 ExprResult ObjCPropertyOpBuilder::buildGet() {
   findGetter();
-  if (!Getter && DiagnoseUnsupportedPropertyUse())
-      return ExprError();
-
-  assert(Getter);
+  if (!Getter) {
+    DiagnoseUnsupportedPropertyUse();
+    return ExprError();
+  }
 
   if (SyntacticRefExpr)
     SyntacticRefExpr->setIsMessagingGetter();
@@ -720,10 +718,10 @@ ExprResult ObjCPropertyOpBuilder::buildG
 ///   value being set as the value of the property operation.
 ExprResult ObjCPropertyOpBuilder::buildSet(Expr *op, SourceLocation opcLoc,
                                            bool captureSetValueAsResult) {
-  bool hasSetter = findSetter(false);
-  if (!hasSetter && DiagnoseUnsupportedPropertyUse())
-      return ExprError();
-  assert(hasSetter); (void) hasSetter;
+  if (!findSetter(false)) {
+    DiagnoseUnsupportedPropertyUse();
+    return ExprError();
+  }
 
   if (SyntacticRefExpr)
     SyntacticRefExpr->setIsMessagingSetter();

Modified: cfe/branches/release_35/test/SemaObjCXX/property-invalid-type.mm
URL: 
http://llvm.org/viewvc/llvm-project/cfe/branches/release_35/test/SemaObjCXX/property-invalid-type.mm?rev=214840&r1=214839&r2=214840&view=diff
==============================================================================
--- cfe/branches/release_35/test/SemaObjCXX/property-invalid-type.mm (original)
+++ cfe/branches/release_35/test/SemaObjCXX/property-invalid-type.mm Tue Aug  5 
00:19:37 2014
@@ -7,6 +7,7 @@
 @end
 @interface I ()
 @property A* response;  // expected-error {{unknown type name 'A'}}
+@property  int helper;
 @end
 @implementation I
 @synthesize response;
@@ -16,4 +17,7 @@
 }
 @end
 
-
+void foo(I *i)
+{
+  i.helper;
+}


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