================
@@ -0,0 +1,40 @@
+// RUN: %clang_cc1 -std=c++23 -verify %s
+
+struct S {
+ const int *x;
+ void captureInt(const int&x [[clang::lifetime_capture_by(this)]]) { this->x
= &x; }
+};
+
+///////////////////////////
+// Test for valid usages.
+///////////////////////////
+[[clang::lifetime_capture_by(unknown)]] // expected-error
{{'lifetime_capture_by' attribute only applies to parameters and implicit
object parameters}}
+void nonMember(
+ const int &x1 [[clang::lifetime_capture_by(s, t)]],
+ S &s,
+ S &t,
+ const int &x2 [[clang::lifetime_capture_by(12345 + 12)]], //
expected-error {{'lifetime_capture_by' attribute argument 12345 + 12 is not a
known function parameter. Must be a function parameter of one of 'this',
'global' or 'unknown'}}
+ const int &x3 [[clang::lifetime_capture_by(abcdefgh)]], //
expected-error {{'lifetime_capture_by' attribute argument 'abcdefgh' is not a
known function parameter. Must be a function parameter of one of 'this',
'global' or 'unknown'}}
+ const int &x4 [[clang::lifetime_capture_by("abcdefgh")]], //
expected-error {{'lifetime_capture_by' attribute argument "abcdefgh" is not a
known function parameter. Must be a function parameter of one of 'this',
'global' or 'unknown'}}
----------------
usx95 wrote:
Done.
https://github.com/llvm/llvm-project/pull/111499
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