kadircet created this revision.
kadircet added a reviewer: hokein.
kadircet requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D99145
Files:
clang/lib/Sema/SemaChecking.cpp
clang/test/Sema/check-arg-alignment.cpp
Index: clang/test/Sema/check-arg-alignment.cpp
===================================================================
--- /dev/null
+++ clang/test/Sema/check-arg-alignment.cpp
@@ -0,0 +1,13 @@
+// Ensure we don't crash when CTAD fails.
+// RUN: %clang_cc1 -std=c++17 -verify %s
+template <typename T1, typename T2>
+struct Foo { // expected-note{{candidate function template not viable}}
+ Foo(T1, T2); // expected-note{{candidate function template not viable}}
+};
+
+template <typename... Args>
+void insert(Args &&...args);
+
+void foo() {
+ insert(Foo(2, 2, 2)); // expected-error{{no viable constructor or deduction
guide}}
+}
Index: clang/lib/Sema/SemaChecking.cpp
===================================================================
--- clang/lib/Sema/SemaChecking.cpp
+++ clang/lib/Sema/SemaChecking.cpp
@@ -4492,7 +4492,8 @@
// Find expected alignment, and the actual alignment of the passed object.
// getTypeAlignInChars requires complete types
- if (ParamTy->isIncompleteType() || ArgTy->isIncompleteType())
+ if (ParamTy->isIncompleteType() || ArgTy->isIncompleteType() ||
+ ParamTy->isUndeducedType() || ArgTy->isUndeducedType())
return;
CharUnits ParamAlign = Context.getTypeAlignInChars(ParamTy);
Index: clang/test/Sema/check-arg-alignment.cpp
===================================================================
--- /dev/null
+++ clang/test/Sema/check-arg-alignment.cpp
@@ -0,0 +1,13 @@
+// Ensure we don't crash when CTAD fails.
+// RUN: %clang_cc1 -std=c++17 -verify %s
+template <typename T1, typename T2>
+struct Foo { // expected-note{{candidate function template not viable}}
+ Foo(T1, T2); // expected-note{{candidate function template not viable}}
+};
+
+template <typename... Args>
+void insert(Args &&...args);
+
+void foo() {
+ insert(Foo(2, 2, 2)); // expected-error{{no viable constructor or deduction guide}}
+}
Index: clang/lib/Sema/SemaChecking.cpp
===================================================================
--- clang/lib/Sema/SemaChecking.cpp
+++ clang/lib/Sema/SemaChecking.cpp
@@ -4492,7 +4492,8 @@
// Find expected alignment, and the actual alignment of the passed object.
// getTypeAlignInChars requires complete types
- if (ParamTy->isIncompleteType() || ArgTy->isIncompleteType())
+ if (ParamTy->isIncompleteType() || ArgTy->isIncompleteType() ||
+ ParamTy->isUndeducedType() || ArgTy->isUndeducedType())
return;
CharUnits ParamAlign = Context.getTypeAlignInChars(ParamTy);
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
