Introduce five new cast kinds for various conversions into and
between complex types.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118994 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 2edf62a..cc209a4 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -798,9 +798,19 @@
     return "AnyPointerToBlockPointerCast";
   case CK_ObjCObjectLValueCast:
     return "ObjCObjectLValueCast";
+  case CK_FloatingRealToComplex:
+    return "FloatingRealToComplex";
+  case CK_FloatingComplexCast:
+    return "FloatingComplexCast";
+  case CK_IntegralRealToComplex:
+    return "IntegralRealToComplex";
+  case CK_IntegralComplexCast:
+    return "IntegralComplexCast";
+  case CK_IntegralToFloatingComplex:
+    return "IntegralToFloatingComplex";
   }
 
-  assert(0 && "Unhandled cast kind!");
+  llvm_unreachable("Unhandled cast kind!");
   return 0;
 }
 
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index dfeb32d..172a811 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -2165,6 +2165,8 @@
   QualType EltType = E->getType()->getAs<ComplexType>()->getElementType();
   QualType SubType = SubExpr->getType();
 
+  // TODO: just trust CastKind
+
   if (SubType->isRealFloatingType()) {
     APFloat &Real = Result.FloatReal;
     if (!EvaluateFloat(SubExpr, Real, Info))