Skip to content

[Clang] Fix an incorrect assumption on getTemplatedDecl() #131559

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
zyn0217 merged 2 commits into from
Mar 17, 2025
Merged

[Clang] Fix an incorrect assumption on getTemplatedDecl() #131559

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a3d0104
[Clang] Fix an incorrect assumption on getTemplatedDecl()
zyn0217 Mar 17, 2025
d620cf5
Fix expected-error
zyn0217 Mar 17, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions clang/lib/Sema/SemaAccess.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1518,8 +1518,8 @@ void Sema::HandleDelayedAccessCheck(DelayedDiagnostic &DD, Decl *D) {
} else if (FunctionDecl *FN = dyn_cast<FunctionDecl>(D)) {
DC = FN;
} else if (TemplateDecl *TD = dyn_cast<TemplateDecl>(D)) {
if (isa<DeclContext>(TD->getTemplatedDecl()))
DC = cast<DeclContext>(TD->getTemplatedDecl());
if (auto *D = dyn_cast_if_present<DeclContext>(TD->getTemplatedDecl()))
DC = D;
} else if (auto *RD = dyn_cast<RequiresExprBodyDecl>(D)) {
DC = RD;
}
Expand Down
12 changes: 12 additions & 0 deletions clang/test/SemaCXX/concept-crash-on-diagnostic.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,3 +36,15 @@ void function() {
// expected-note@#4 {{candidate template ignored: constraints not satisfied [with IteratorL = Object *, IteratorR = Object *]}}
// We don't know exactly the substituted type for `lhs == rhs`, thus a placeholder 'expr-type' is emitted.
// expected-note@#3 {{because 'convertible_to<expr-type, bool>' would be invalid}}

namespace GH131530 {

class foo {
struct bar {}; // expected-note {{implicitly declared private}}
};

template <typename T>
concept is_foo_concept = __is_same(foo::bar, T);
// expected-error@-1 {{'bar' is a private member of 'GH131530::foo'}}

}