Update regression tests for latest PR merge, and add a Clang 12-vs-13+ compat note

Author: hsutter

regression-tests/pure2-bugfix-for-non-local-function-expression.cpp2

@@ -1,9 +1,13 @@
+//  Clang note: When using Clang as the Cpp1 compiler, the following uses of an unnamed function
+//  require Clang 13 or higher; Clang 12 complains "lambda expression in an unevaluated operand"
+//  Standalone Cpp1 repro: https://godbolt.org/z/dznnYTvc6
+
 v: <T> concept = :() -> bool = true;();
 
 u: type == std::type_identity_t<decltype(:() = {})>;
 
 t: @struct type = {
-  this: std::type_identity_t<decltype(:() = {})>;
+    this: std::type_identity_t<decltype(:() = {})>;
 }
 
 main: () = { }

regression-tests/test-results/clang-12/pure2-bugfix-for-non-local-function-expression.cpp.output

@@ -0,0 +1,10 @@
+pure2-bugfix-for-non-local-function-expression.cpp2:5:34: error: lambda expression in an unevaluated operand
+template<typename T> concept v = []() -> bool { return true;  }(); 
+                                 ^
+pure2-bugfix-for-non-local-function-expression.cpp2:7:41: error: lambda expression in an unevaluated operand
+using u = std::type_identity_t<decltype([]() -> void{})>;
+                                        ^
+pure2-bugfix-for-non-local-function-expression.cpp2:9:47: error: lambda expression in an unevaluated operand
+class t: public std::type_identity_t<decltype([]() -> void{})> {
+                                              ^
+3 errors generated.

regression-tests/test-results/gcc-10/pure2-bugfix-for-non-local-function-expression.cpp.execution

@@ -0,0 +1 @@
+pure2-bugfix-for-non-local-function-expression.cpp2:9:7: warning: ‘t’ has a base ‘t::<lambda()>’ whose type has no linkage [-Wsubobject-linkage]

regression-tests/test-results/gcc-10/pure2-bugfix-for-non-local-function-expression.cpp.output

@@ -0,0 +1 @@
+pure2-bugfix-for-non-local-function-expression.cpp2:9:7: warning: ‘t’ has a base ‘t::<lambda()>’ which has no linkage [-Wsubobject-linkage]

regression-tests/test-results/gcc-13/pure2-bugfix-for-non-local-function-expression.cpp.execution

@@ -0,0 +1 @@
+pure2-bugfix-for-non-local-function-expression.cpp

regression-tests/test-results/gcc-13/pure2-bugfix-for-non-local-function-expression.cpp.output

@@ -7,13 +7,17 @@
 #include "cpp2util.h"
 
 
-#line 5 "pure2-bugfix-for-non-local-function-expression.cpp2"
+#line 9 "pure2-bugfix-for-non-local-function-expression.cpp2"
 class t;
-  
+    
 
 //=== Cpp2 type definitions and function declarations ===========================
 
-#line 1 "pure2-bugfix-for-non-local-function-expression.cpp2"
+//  Clang note: When using Clang as the Cpp1 compiler, the following uses of an unnamed function
+//  require Clang 13 or higher; Clang 12 complains "lambda expression in an unevaluated operand"
+//  Standalone Cpp1 repro: https://godbolt.org/z/dznnYTvc6
+
+#line 5 "pure2-bugfix-for-non-local-function-expression.cpp2"
 template<typename T> concept v = []() -> bool { return true;  }(); 
 
 using u = std::type_identity_t<decltype([]() -> void{})>;
@@ -28,6 +32,6 @@ auto main() -> int;
 //=== Cpp2 function definitions =================================================
 
 
-#line 9 "pure2-bugfix-for-non-local-function-expression.cpp2"
+#line 13 "pure2-bugfix-for-non-local-function-expression.cpp2"
 auto main() -> int{}
 

regression-tests/test-results/msvc-2022/pure2-bugfix-for-non-local-function-expression.cpp.execution

@@ -1,5 +1,5 @@
 
-cppfront compiler v0.2.1   Build 8901:1640
+cppfront compiler v0.2.1   Build 8901:1703
 Copyright(c) Herb Sutter   All rights reserved
 
 SPDX-License-Identifier: CC-BY-NC-ND-4.0