In accordance with the C89, C99 and C++98 standards, ICEs can only contain
floating-point literals if they are the immediate operands of casts.
ImplicitCastExpr is not a cast in the language-standards sense.
llvm-svn: 142832
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 5d34aff..3bf9eb5 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -3114,9 +3114,12 @@
case Expr::CXXFunctionalCastExprClass:
case Expr::CXXStaticCastExprClass:
case Expr::CXXReinterpretCastExprClass:
- case Expr::CXXConstCastExprClass:
+ case Expr::CXXConstCastExprClass:
case Expr::ObjCBridgedCastExprClass: {
const Expr *SubExpr = cast<CastExpr>(E)->getSubExpr();
+ if (E->getStmtClass() != Expr::ImplicitCastExprClass &&
+ isa<FloatingLiteral>(SubExpr->IgnoreParenImpCasts()))
+ return NoDiag();
switch (cast<CastExpr>(E)->getCastKind()) {
case CK_LValueToRValue:
case CK_NoOp:
@@ -3124,8 +3127,6 @@
case CK_IntegralCast:
return CheckICE(SubExpr, Ctx);
default:
- if (isa<FloatingLiteral>(SubExpr->IgnoreParens()))
- return NoDiag();
return ICEDiag(2, E->getLocStart());
}
}