Add unnamed_addr when creating artificial string globals. For example, in

static const char foo[] = "foo";
static const char *bar = "bar";

the global created to hold "bar" will have it, but foo will not.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123192 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/func-in-block.c b/test/CodeGen/func-in-block.c
index 7e65ff9..1900135 100644
--- a/test/CodeGen/func-in-block.c
+++ b/test/CodeGen/func-in-block.c
@@ -15,5 +15,5 @@
     return 0; // not reached
 }
 
-// CHECK: @__func__.__main_block_invoke_0 = private constant [22 x i8] c"__main_block_invoke_0\00"
+// CHECK: @__func__.__main_block_invoke_0 = private unnamed_addr constant [22 x i8] c"__main_block_invoke_0\00"
 // CHECK: call void @PRINTF({{.*}}@__func__.__main_block_invoke_