$define would occasionally not properly evaluate declarations it encountered.

lib/std/collections/hashmap.c3

@@ -1,6 +1,9 @@
 // Copyright (c) 2023 Christoffer Lerno. All rights reserved.
 // Use of this source code is governed by the MIT license
 // a copy of which can be found in the LICENSE_STDLIB file.
+<*
+ @require $defined(Key{}.hash()) `No .hash function found on the key`
+*>
 module std::collections::map(<Key, Value>);
 import std::math;
 

releasenotes.md

@@ -51,6 +51,7 @@
 - Incorrect error message when `$eval` is provided an invalid string. #1570
 - `HashMap.copy_keys` did not properly copy keys which needed to be allocated #1569
 - Named vector component access would not fold at compile time. #1574
+- `$define` would occasionally not properly evaluate declarations it encountered.
 
 ### Stdlib changes
 - Remove unintended print of `char[]` as String

src/compiler/sema_expr.c

@@ -2650,9 +2650,11 @@ static inline bool sema_expr_analyse_call(SemaContext *context, Expr *expr, bool
 			return sema_expr_analyse_builtin_call(context, expr);
 		case EXPR_IDENTIFIER:
 			decl = func_expr->identifier_expr.decl;
+			if (!sema_analyse_decl(context, decl)) return false;
 			break;
 		case EXPR_ACCESS:
 			decl = func_expr->access_expr.ref;
+			if (!sema_analyse_decl(context, decl)) return false;
 			switch (decl->decl_kind)
 			{
 				case DECL_MACRO:
@@ -5003,6 +5005,8 @@ CHECK_DEEPER:
 		RETURN_SEMA_ERROR(expr, "There is no field or method '%s.%s'.", type_to_error_string(parent->type), kw);
 	}
 
+	if (!sema_analyse_decl(context, member)) return false;
+
 	ASSERT_SPAN(expr, member->type);
 	if (member->decl_kind == DECL_VAR)
 	{