[PATCH] D127075: [clang] P2266: apply move elision rules on throw expr nested in function prototypes

Matheus Izvekov via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Jun 6 15:08:35 PDT 2022


This revision was automatically updated to reflect the committed changes.
Closed by commit rG43ef17cac172: [clang] P2266: apply move elision rules on throw expr nested in function… (authored by mizvekov).

Changed prior to commit:
  https://reviews.llvm.org/D127075?vs=434351&id=434623#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127075/new/

https://reviews.llvm.org/D127075

Files:
  clang/lib/Sema/SemaExprCXX.cpp
  clang/test/CXX/class/class.init/class.copy.elision/p3.cpp


Index: clang/test/CXX/class/class.init/class.copy.elision/p3.cpp
===================================================================
--- clang/test/CXX/class/class.init/class.copy.elision/p3.cpp
+++ clang/test/CXX/class/class.init/class.copy.elision/p3.cpp
@@ -98,7 +98,7 @@
   A1(const A1 &);
   A1(A1 &&) = delete;
   // expected-note at -1 2{{'A1' has been explicitly marked deleted here}}
-  // cxx11_2b-note at -2  {{'A1' has been explicitly marked deleted here}}
+  // cxx11_2b-note at -2 3{{'A1' has been explicitly marked deleted here}}
 };
 void test1() {
   try {
@@ -132,10 +132,10 @@
 namespace PR54341 {
 void test4(A1 a) {
   void f(decltype((throw a, 0)));
-  // expected-warning at -1 {{has no effect}}
+  // expected-error at -1 {{call to deleted constructor of 'test_throw_parameter::A1'}}
 
   void g(int = decltype(throw a, 0){});
-  // expected-warning at -1 {{has no effect}}
+  // expected-error at -1 {{call to deleted constructor of 'test_throw_parameter::A1'}}
 }
 
 void test5(A1 a, int = decltype(throw a, 0){}) {}
Index: clang/lib/Sema/SemaExprCXX.cpp
===================================================================
--- clang/lib/Sema/SemaExprCXX.cpp
+++ clang/lib/Sema/SemaExprCXX.cpp
@@ -843,10 +843,10 @@
               break;
             }
 
+            // FIXME: Many of the scope checks here seem incorrect.
             if (S->getFlags() &
                 (Scope::FnScope | Scope::ClassScope | Scope::BlockScope |
-                 Scope::FunctionPrototypeScope | Scope::ObjCMethodScope |
-                 Scope::TryScope))
+                 Scope::ObjCMethodScope | Scope::TryScope))
               break;
           }
         }


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D127075.434623.patch
Type: text/x-patch
Size: 1654 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20220606/a9c41212/attachment.bin>


More information about the cfe-commits mailing list