Fixes PR20110, where Clang hits an assertion failure when it expects that the
sub-expression of a bit cast to pointer to also be a pointer, but gets a value
instead.
Differential Revision: http://reviews.llvm.org/D4280
llvm-svn: 212160
case Stmt::CXXReinterpretCastExprClass: {
Expr* SubExpr = cast<CastExpr>(E)->getSubExpr();
switch (cast<CastExpr>(E)->getCastKind()) {
- case CK_BitCast:
case CK_LValueToRValue:
case CK_NoOp:
case CK_BaseToDerived:
case CK_ArrayToPointerDecay:
return EvalVal(SubExpr, refVars, ParentDecl);
+ case CK_BitCast:
+ if (SubExpr->getType()->isAnyPointerType() ||
+ SubExpr->getType()->isBlockPointerType() ||
+ SubExpr->getType()->isObjCQualifiedIdType())
+ return EvalAddr(SubExpr, refVars, ParentDecl);
+ else
+ return nullptr;
+
default:
return nullptr;
}
--- /dev/null
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+// expected-no-diagnostics
+
+// FIXME: These templates should trigger errors in C++11 mode.
+
+template <char const *p>
+class A {
+ char const *get_p() { return *p; }
+};
+template <int p>
+class B {
+ char const *get_p() { return p; }
+};
+