commit 7993e8a2a26bf408c2a6d45f24fffa12db336b2b
author Richard Smith <richard-llvm@metafoo.co.uk> Sun Oct 30 23:17:09 2011 +0000
committer Richard Smith <richard-llvm@metafoo.co.uk> Sun Oct 30 23:17:09 2011 +0000
tree 17cb994c1366fa085ae0c563bd99e3e7b9f00247
parent 22a7dfea585703d6755db69b83e29a0e6ee10369

Fix assert on constant expression evaluation of floating point increment.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143320 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/ExprConstant.cpp

diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index f33827f..bf428aa 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -2529,17 +2529,13 @@
 }
 
 bool FloatExprEvaluator::VisitUnaryOperator(const UnaryOperator *E) {
-  if (E->getOpcode() == UO_Deref)
-    return false;
-
-  if (!EvaluateFloat(E->getSubExpr(), Result, Info))
-    return false;
-
   switch (E->getOpcode()) {
   default: return false;
   case UO_Plus:
-    return true;
+    return EvaluateFloat(E->getSubExpr(), Result, Info);
   case UO_Minus:
+    if (!EvaluateFloat(E->getSubExpr(), Result, Info))
+      return false;
     Result.changeSign();
     return true;
   }