From bec1519a3202f94c5642dd94ce89cc2ff767aa3b Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Tue, 19 Aug 2008 11:31:10 -0600
Subject: [PATCH] mesa: glsl: added some post incr/decr error checks

---
 src/mesa/shader/slang/slang_codegen.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index e5a2c61d4f3..6cadd2c2507 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -2729,7 +2729,11 @@ _slang_assignment_compatible(slang_assemble_ctx *A,
    slang_typeinfo t0, t1;
    GLuint sz0, sz1;
 
-   
+   if (op0->type == SLANG_OPER_POSTINCREMENT ||
+       op0->type == SLANG_OPER_POSTDECREMENT) {
+      return GL_FALSE;
+   }
+
    slang_typeinfo_construct(&t0);
    _slang_typeof_operation(A, op0, &t0);
 
-- 
2.30.2