Implement basic _Complex integer constant folding.
 - Merged into single ComplexEvaluator, these share too much logic to
   be worth splitting for float/int (IMHO). Will split on request.

llvm-svn: 63248
diff --git a/clang/test/CodeGen/const-init.c b/clang/test/CodeGen/const-init.c
index bded2e0..3aabcfe 100644
--- a/clang/test/CodeGen/const-init.c
+++ b/clang/test/CodeGen/const-init.c
@@ -21,3 +21,6 @@
 };
 
 int g0 = (int)(&(((union s2 *) 0)->f0.f0) - 0);
+
+_Complex int g1 = 1 + 10i;
+_Complex double g2 = 1.0 + 10.0i;