[cfe-commits] r142695 - in /cfe/trunk: include/clang/AST/Expr.h lib/AST/Expr.cpp lib/Sema/SemaInit.cpp

[Argyrios Kyrtzidis]

Author: akirtzidis
Date: Fri Oct 21 18:02:22 2011
New Revision: 142695

URL: http://llvm.org/viewvc/llvm-project?rev=142695&view=rev
Log:
Don't try to set the "array filler" in a InitListExpr twice.

Modified:
    cfe/trunk/include/clang/AST/Expr.h
    cfe/trunk/lib/AST/Expr.cpp
    cfe/trunk/lib/Sema/SemaInit.cpp

Modified: cfe/trunk/include/clang/AST/Expr.h
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/Expr.h?rev=142695&r1=142694&r2=142695&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/Expr.h (original)
+++ cfe/trunk/include/clang/AST/Expr.h Fri Oct 21 18:02:22 2011
@@ -3400,6 +3400,10 @@
   }
   void setArrayFiller(Expr *filler);
 
+  /// \brief Return true if this is an array initializer and its array "filler"
+  /// has been set.
+  bool hasArrayFiller() const { return getArrayFiller(); }
+
   /// \brief If this initializes a union, specifies which field in the
   /// union to initialize.
   ///

Modified: cfe/trunk/lib/AST/Expr.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Expr.cpp?rev=142695&r1=142694&r2=142695&view=diff
==============================================================================
--- cfe/trunk/lib/AST/Expr.cpp (original)
+++ cfe/trunk/lib/AST/Expr.cpp Fri Oct 21 18:02:22 2011
@@ -1394,6 +1394,7 @@
 }
 
 void InitListExpr::setArrayFiller(Expr *filler) {
+  assert(!hasArrayFiller() && "Filler already set!");
   ArrayFillerOrUnionFieldInit = filler;
   // Fill out any "holes" in the array due to designated initializers.
   Expr **inits = getInits();

Modified: cfe/trunk/lib/Sema/SemaInit.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaInit.cpp?rev=142695&r1=142694&r2=142695&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaInit.cpp (original)
+++ cfe/trunk/lib/Sema/SemaInit.cpp Fri Oct 21 18:02:22 2011
@@ -416,7 +416,8 @@
         ElementEntity.getKind() == InitializedEntity::EK_VectorElement)
       ElementEntity.setElementIndex(Init);
 
-    if (Init >= NumInits || !ILE->getInit(Init)) {
+    Expr *InitExpr = (Init < NumInits ? ILE->getInit(Init) : 0);
+    if (!InitExpr && !ILE->hasArrayFiller()) {
       InitializationKind Kind = InitializationKind::CreateValue(Loc, Loc, Loc,
                                                                 true);
       InitializationSequence InitSeq(SemaRef, ElementEntity, Kind, 0, 0);
@@ -460,7 +461,7 @@
         }
       }
     } else if (InitListExpr *InnerILE
-                 = dyn_cast<InitListExpr>(ILE->getInit(Init)))
+                 = dyn_cast_or_null<InitListExpr>(InitExpr))
       FillInValueInitializations(ElementEntity, InnerILE, RequiresSecondPass);
   }
 }


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