Disallow captured arrays in blocks as well. Radar 7438948.

llvm-svn: 92677

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -1723,6 +1723,8 @@ def err_unexpected_interface : Error<
 def err_ref_non_value : Error<"%0 does not refer to a value">;
 def err_ref_vm_type : Error<
   "cannot refer to declaration with a variably modified type inside block">;
+def err_ref_array_type : Error<
+  "cannot refer to declaration with an array type inside block">;
 def err_property_not_found : Error<
   "property %0 not found on object of type %1">;
 def err_duplicate_property : Error<

clang/lib/Sema/SemaExpr.cpp

@@ -1537,6 +1537,12 @@ Sema::BuildDeclarationNameExpr(const CXXScopeSpec &SS,
       return ExprError();
     }
 
+    if (VD->getType()->isArrayType()) {
+      Diag(Loc, diag::err_ref_array_type);
+      Diag(D->getLocation(), diag::note_declared_at);
+      return ExprError();
+    }
+
     MarkDeclarationReferenced(Loc, VD);
     QualType ExprTy = VD->getType().getNonReferenceType();
     // The BlocksAttr indicates the variable is bound by-reference.

clang/test/Sema/block-misc.c

@@ -208,3 +208,11 @@ void test20() {
     (void)(vm+1);  // expected-error {{cannot refer to declaration with a variably modified type inside block}}
   }();
 }
+
+void test21() {
+  int a[7]; // expected-note {{declared at}}
+  a[1] = 1;
+  ^{
+    (void)a[1]; // expected-error {{cannot refer to declaration with an array type inside block}}
+  }();
+}