Fix stack-use-after-scope on Windows in Precompute (#6643)

Create a temp var to store the ChildIterator.

Fixes #6639

1 files changed, 2 insertions, 1 deletions

diff --git a/src/passes/Precompute.cpp b/src/passes/Precompute.cpp
index 295d86b40..ba04a68aa 100644
--- a/src/passes/Precompute.cpp
+++ b/src/passes/Precompute.cpp
@@ -858,7 +858,8 @@ private:
     }
 
     auto* child = stack[index];
-    for (auto** currChild : ChildIterator(stack[index - 1]).children) {
+    auto childIterator = ChildIterator(stack[index - 1]);
+    for (auto** currChild : childIterator.children) {
       if (*currChild == child) {
         return currChild;
       }