glsl: Propagate invariant/precise after lowering const arrays.

The new uniform may need precise as well.

Fixes copy propagation of constant array uniforms in Tomb Raider shaders.

Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>

src/compiler/glsl/linker.cpp

@@ -4760,6 +4760,7 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
 	 ;
 
       lower_const_arrays_to_uniforms(prog->_LinkedShaders[i]->ir);
+      propagate_invariance(prog->_LinkedShaders[i]->ir);
    }
 
    /* Validation for special cases where we allow sampler array indexing