Hopefully the last of the APSInt signedness issues with initializers. Fixes PR clang/3378

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62876 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index aff46ef..15e2d5d 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -626,6 +626,7 @@
     return Self.Diag(Loc, diag::err_array_designator_negative)
       << Value.toString(10) << Index->getSourceRange();
 
+  Value.setIsUnsigned(true);
   return false;
 }
 
diff --git a/test/Sema/designated-initializers.c b/test/Sema/designated-initializers.c
index 3fe5f84..8f7eb8c 100644
--- a/test/Sema/designated-initializers.c
+++ b/test/Sema/designated-initializers.c
@@ -113,6 +113,7 @@
   .labelsize = sizeof(struct disklabel_ops)
 };
 
-// PR clang/3377
+// PR clang/3378
 int bitwidth[] = { [(long long int)1] = 5, [(short int)2] = 2 };
 int a[]= { [sizeof(int)] = 0 };
+int a2[]= { [0 ... sizeof(int)] = 0 };