[PATCH] D121498: let EST_Uninstantiated in FunctionProtoType::canThrow return CT_Dependent

[Erich Keane via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG30adb9fd2797: let EST_Uninstantiated in FunctionProtoType::canThrow return (authored by zhouyizhou, committed by erichkeane).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121498/new/

https://reviews.llvm.org/D121498

Files:
  clang/lib/AST/Type.cpp
  clang/test/SemaTemplate/class-template-noexcept.cpp


Index: clang/test/SemaTemplate/class-template-noexcept.cpp
===================================================================
--- /dev/null
+++ clang/test/SemaTemplate/class-template-noexcept.cpp
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -verify %s
+// RUN: %clang_cc1 -std=c++11 -verify %s
+// RUN: %clang_cc1 -std=c++17 -verify %s
+// RUN: %clang_cc1 -std=c++1z -verify %s
+#if __cplusplus >= 201703
+// expected-no-diagnostics
+#endif
+class A {
+public:
+  static const char X;
+};
+const char A::X = 0;
+
+template<typename U> void func() noexcept(U::X);
+
+template<class... B, char x>
+#if __cplusplus >= 201703
+void foo(void(B...) noexcept(x)) {} 
+#else
+void foo(void(B...) noexcept(x)) {} // expected-note{{candidate template ignored}}
+#endif
+
+void bar()
+{
+#if __cplusplus >= 201703
+  foo(func<A>);
+#else
+  foo(func<A>);	// expected-error{{no matching function for call}}
+#endif	
+}
+
+
Index: clang/lib/AST/Type.cpp
===================================================================
--- clang/lib/AST/Type.cpp
+++ clang/lib/AST/Type.cpp
@@ -3325,7 +3325,6 @@
   switch (getExceptionSpecType()) {
   case EST_Unparsed:
   case EST_Unevaluated:
-  case EST_Uninstantiated:
     llvm_unreachable("should not call this with unresolved exception specs");
 
   case EST_DynamicNone:
@@ -3347,6 +3346,7 @@
         return CT_Can;
     return CT_Dependent;
 
+  case EST_Uninstantiated:
   case EST_DependentNoexcept:
     return CT_Dependent;
   }


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