Clean up and de-XFAIL-ify PCH test for external definitions

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69831 91177308-0d34-0410-b5e6-96231b3b80d8

test/PCH/external-defs.c

@@ -3,8 +3,6 @@
 // RUN: clang-cc -triple x86_64-apple-darwin9 -include-pch %t.pch -emit-llvm -o %t %s &&
 
 // RUN: grep "@x = common global i32 0" %t | count 1 &&
-// RUN: grep "@y = global i32 17"  %t | count 1 &&
-// RUN: grep "@d = .*1.742"  %t | count 1 &&
 // RUN: grep "@z" %t | count 0 &&
 
 // RUN: grep "@x2 = global i32 19" %t | count 1 &&
@@ -19,5 +17,3 @@ int incomplete_array3[];
 struct S {
   int x, y;
 };
-
-// XFAIL

test/PCH/external-defs.h

@@ -4,10 +4,6 @@
 int x;
 int x2;
 
-// Definitions
-int y = 17;
-double d = 17.42;
-
 // Should not show up
 static int z;