When deciding whether an expression has the boolean nature, don't look through
explicit casts. Fixes PR7359.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105871 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index c38cec3..68fcb35 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -52,7 +52,9 @@
}
}
- if (const CastExpr *CE = dyn_cast<CastExpr>(this))
+ // Only look through implicit casts. If the user writes
+ // '(int) (a && b)' treat it as an arbitrary int.
+ if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(this))
return CE->getSubExpr()->isKnownToHaveBooleanValue();
if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(this)) {