fix instruction comment code
diff --git a/src/mesa/shader/prog_instruction.c b/src/mesa/shader/prog_instruction.c
index 1e8e081..d6b5652 100644
--- a/src/mesa/shader/prog_instruction.c
+++ b/src/mesa/shader/prog_instruction.c
@@ -108,7 +108,13 @@
_mesa_copy_instructions(struct prog_instruction *dest,
const struct prog_instruction *src, GLuint n)
{
- return _mesa_memcpy(dest, src, n * sizeof(struct prog_instruction));
+ GLuint i;
+ _mesa_memcpy(dest, src, n * sizeof(struct prog_instruction));
+ for (i = 0; i < n; i++) {
+ if (src[i].Comment)
+ dest[i].Comment = _mesa_strdup(src[i].Comment);
+ }
+ return dest;
}