glsl: apply implicit matching rules when linking

Previously when linking i.e. when compiler state was NULL. We just
assumed all implicit matching was avaliable.

Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30752>

src/compiler/glsl/ir_reader.cpp

@@ -687,7 +687,10 @@ ir_reader::read_call(s_expression *expr)
    }
 
    ir_function_signature *callee =
-      f->matching_signature(state, &parameters, true);
+      f->matching_signature(state, &parameters,
+                            state->has_implicit_conversions(),
+                            state->has_implicit_int_to_uint_conversion(),
+                            true);
    if (callee == NULL) {
       ir_read_error(expr, "couldn't find matching signature for function "
                     "%s", name->value());