From a018747ac8230f0dfb9f5f49a44d78fe97df84a0 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 14 May 2012 16:48:47 -0700 Subject: [PATCH] glsl: Clean up warnings about deleting classes without virtual destructors. Reviewed-by: Kenneth Graunke --- src/glsl/ir.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/glsl/ir.h b/src/glsl/ir.h index 2c4723627f7..a3f9f058863 100644 --- a/src/glsl/ir.h +++ b/src/glsl/ir.h @@ -89,6 +89,16 @@ class ir_instruction : public exec_node { public: enum ir_node_type ir_type; + /** + * GCC 4.7+ and clang warn when deleting an ir_instruction unless + * there's a virtual destructor present. Because we almost + * universally use ralloc for our memory management of + * ir_instructions, the destructor doesn't need to do any work. + */ + virtual ~ir_instruction() + { + } + /** ir_print_visitor helper for debugging. */ void print(void) const; -- 2.30.2