PR9899: handle pseudo-destructors correctly in noexcept() expressions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131220 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 7f15d86a19f4fc2243a45d56cef1d60ebe134e38..a6d9bb876089abbbbecde6bfa3e577b28dc6b1f4 100644 (file)
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -1750,11 +1750,14 @@ Expr::CanThrowResult Expr::CanThrow(ASTContext &C) const {
   case CallExprClass:
   case CXXOperatorCallExprClass:
   case CXXMemberCallExprClass: {
+    const CallExpr *CE = cast<CallExpr>(this);
     CanThrowResult CT;
     if (isTypeDependent())
       CT = CT_Dependent;
+    else if (isa<CXXPseudoDestructorExpr>(CE->getCallee()->IgnoreParens()))
+      CT = CT_Cannot;
     else
-      CT = CanCalleeThrow(C, cast<CallExpr>(this)->getCalleeDecl());
+      CT = CanCalleeThrow(C, CE->getCalleeDecl());
     if (CT == CT_Can)
       return CT;
     return MergeCanThrow(CT, CanSubExprsThrow(C, this));

diff --git a/test/CXX/expr/expr.unary/expr.unary.noexcept/sema.cpp b/test/CXX/expr/expr.unary/expr.unary.noexcept/sema.cpp
index 35a8b0f7d07d7b038c295df887200a7f9cc5255a..6d1e523b51bf50673d0fe22966dfee5193329772 100644 (file)
--- a/test/CXX/expr/expr.unary/expr.unary.noexcept/sema.cpp
+++ b/test/CXX/expr/expr.unary/expr.unary.noexcept/sema.cpp
@@ -97,6 +97,8 @@ struct Bad2 {
   void operator delete(void*) throw(int);
 };
 
+typedef int X;
+
 void implicits() {
   N(new int);
   P(new (0) int);
@@ -113,6 +115,7 @@ void implicits() {
   N(static_cast<int>(s));
   P(static_cast<float>(s));
   N(Bad1());
+  P(X().~X());
 }
 
 struct V {