@builtin was not respected for generic modules #1617.

releasenotes.md

@@ -8,6 +8,7 @@
 
 ### Fixes
 - Fix bug where `a > 0 ? f() : g()` could cause a compiler crash if both returned `void!`.
+- `@builtin` was not respected for generic modules #1617.
 
 ### Stdlib changes
 

src/compiler/sema_name_resolution.c

@@ -992,7 +992,7 @@ bool unit_resolve_parameterized_symbol(SemaContext *context, NameResolve *name_r
 		sema_report_error_on_decl(context, name_resolve);
 		return false;
 	}
-	if (!decl_is_user_defined_type(name_resolve->found) && !name_resolve->path)
+	if (!decl_is_user_defined_type(name_resolve->found) && !name_resolve->path && !name_resolve->found->is_autoimport)
 	{
 		if (name_resolve->suppress_error) return false;
 		RETURN_SEMA_ERROR(name_resolve, "Function and variables must be prefixed with a path, e.g. 'foo::%s'.", name_resolve->symbol);

test/test_suite/generic/generic_builtin.c3t

@@ -0,0 +1,16 @@
+module add(<Type>);
+fn Type add(Type a, Type b) @builtin =>
+  a + b;
+
+module iadd;
+fn int iadd(int a, int b) @builtin =>
+  a + b;
+
+module main;
+import std::io, add, iadd;
+
+fn void! main()
+{
+  io::printfn("%s", iadd(1,2)); // Fine
+  io::printfn("%s", add(<int>)(1,2)); // Error
+}