fix(cpp1): emit template template parameters

Author: JohelEGP

regression-tests/pure2-bugfix-for-template-template-parameter.cpp2

@@ -0,0 +1,5 @@
+t: @struct <T: <_, _: _>> type = { }
+
+u: @struct <T, V: _> type = { }
+
+main: () = { _ = :t<u> = (); }

regression-tests/test-results/clang-18/clang-version.output

@@ -0,0 +1,4 @@
+clang version 18.0.0 (https://github.com/llvm/llvm-project.git 3723ede3cf5324827f8fbbe7f484c2ee4d7a7204)
+Target: x86_64-pc-linux-gnu
+Thread model: posix
+InstalledDir: /home/johel/root/clang-main/bin

regression-tests/test-results/clang-18/pure2-bugfix-for-non-local-function-expression.cpp.execution

@@ -0,0 +1,3 @@
+sizeof(x) is 25
+(not a name)
+xyz

regression-tests/test-results/clang-18/pure2-bugfix-for-non-local-function-expression.cpp.output

@@ -0,0 +1,28 @@
+
+#define CPP2_USE_MODULES         Yes
+
+//=== Cpp2 type declarations ====================================================
+
+
+#include "cpp2util.h"
+
+template<template <typename , auto> class T> class t;
+
+template<typename T, auto V> class u;
+
+
+//=== Cpp2 type definitions and function declarations ===========================
+
+template<template <typename , auto> class T> class t {};
+
+template<typename T, auto V> class u {};
+
+auto main() -> int;
+
+
+//=== Cpp2 function definitions =================================================
+
+
+#line 5 "pure2-bugfix-for-template-template-parameter.cpp2"
+auto main() -> int{static_cast<void>(t<u>{}); }
+

regression-tests/test-results/clang-18/pure2-bugfix-for-template-template-parameter.cpp.execution

@@ -0,0 +1,2 @@
+pure2-bugfix-for-template-template-parameter.cpp2... ok (all Cpp2, passes safety checks)
+