Extend getPreferredTypeAlign to handle _Complex double and long long 
correctly.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72401 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/align-x86.c b/test/Sema/align-x86.c
index f6668dd..2bc1cc8 100644
--- a/test/Sema/align-x86.c
+++ b/test/Sema/align-x86.c
@@ -3,4 +3,12 @@
 // PR3433
 double g1;
 short chk1[__alignof__(g1) == 8 ? 1 : -1]; 
-short chk2[__alignof__(double) == 8 ? 1 : -1]; 
+short chk2[__alignof__(double) == 8 ? 1 : -1];
+
+long long g2;
+short chk1[__alignof__(g2) == 8 ? 1 : -1]; 
+short chk2[__alignof__(long long) == 8 ? 1 : -1];
+
+_Complex double g3;
+short chk1[__alignof__(g3) == 8 ? 1 : -1]; 
+short chk2[__alignof__(_Complex double) == 8 ? 1 : -1];