[PATCH] D153375: [Clang] Fix incorrect use of direct initialization with copy initialization
Shafik Yaghmour via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jun 30 15:08:59 PDT 2023
shafik updated this revision to Diff 536451.
shafik marked an inline comment as done.
shafik added a comment.
- Added release note
- Added test case
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D153375/new/
https://reviews.llvm.org/D153375
Files:
clang/docs/ReleaseNotes.rst
clang/lib/Sema/SemaExpr.cpp
clang/test/CXX/dcl.decl/dcl.init/dcl.init.list/p3.cpp
Index: clang/test/CXX/dcl.decl/dcl.init/dcl.init.list/p3.cpp
===================================================================
--- clang/test/CXX/dcl.decl/dcl.init/dcl.init.list/p3.cpp
+++ clang/test/CXX/dcl.decl/dcl.init/dcl.init.list/p3.cpp
@@ -283,3 +283,13 @@
F f4(const bool x) { return F{x}; }
#endif
}
+
+namespace GH62503 {
+enum class E {E1};
+
+void f() {
+ E e;
+ e = {E::E1};
+ e = {0}; // expected-error {{cannot initialize a value of type 'E' with an rvalue of type 'int'}}
+}
+}
Index: clang/lib/Sema/SemaExpr.cpp
===================================================================
--- clang/lib/Sema/SemaExpr.cpp
+++ clang/lib/Sema/SemaExpr.cpp
@@ -15441,8 +15441,8 @@
// C++11 5.17p9:
// The meaning of x = {v} [...] is that of x = T(v) [...]. The meaning
// of x = {} is x = T().
- InitializationKind Kind = InitializationKind::CreateDirectList(
- RHSExpr->getBeginLoc(), RHSExpr->getBeginLoc(), RHSExpr->getEndLoc());
+ InitializationKind Kind =
+ InitializationKind::CreateCopy(RHSExpr->getBeginLoc(), OpLoc);
InitializedEntity Entity =
InitializedEntity::InitializeTemporary(LHSExpr->getType());
InitializationSequence InitSeq(*this, Entity, Kind, RHSExpr);
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -561,6 +561,9 @@
when an immediate invocation appears as a part of an expression that produces
temporaries.
(`#60709 <https://github.com/llvm/llvm-project/issues/60709>`_).
+- Fix use of direct-intialization over copy-initialization when using
+ = form of brace-or-equal-initialzer. This fixes
+ (`#63503 <https://github.com/llvm/llvm-project/issues/62503>`_).
Bug Fixes to Compiler Builtins
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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