From: Nicolai Hähnle <[email protected]>
This avoids undefined downcasting of list sentinels that crashes gcc's ubsan.
v2: don't use a new macro (Ian Romanick)
---
src/compiler/glsl/opt_tree_grafting.cpp | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/compiler/glsl/opt_tree_grafting.cpp
b/src/compiler/glsl/opt_tree_grafting.cpp
index b9db41b..60840b0 100644
--- a/src/compiler/glsl/opt_tree_grafting.cpp
+++ b/src/compiler/glsl/opt_tree_grafting.cpp
@@ -323,9 +323,10 @@ try_tree_grafting(ir_assignment *start,
fprintf(stderr, "\n");
}
- for (ir_instruction *ir = (ir_instruction *)start->next;
- ir != bb_last->next;
- ir = (ir_instruction *)ir->next) {
+ for (exec_node *node = start->next;
+ node != bb_last->next;
+ node = node->next) {
+ ir_instruction *const ir = (ir_instruction *) node;
if (debug) {
fprintf(stderr, "- ");
--
2.7.4
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