Destroy the old tree in `optAssertionProp_Update`.

Currently compiletion will fail with an assert because of `optPrepareTreeForReplacement`.

Commit migrated from https://github.com/dotnet/coreclr/commit/04c7fa63a52d4405298fd4053e7be137eac6a042

diff --git a/src/coreclr/src/jit/assertionprop.cpp b/src/coreclr/src/jit/assertionprop.cpp
index 0e88310..7c4a0c3 100644 (file)
--- a/src/coreclr/src/jit/assertionprop.cpp
+++ b/src/coreclr/src/jit/assertionprop.cpp
@@ -3923,6 +3923,8 @@ GenTree* Compiler::optAssertionProp_Update(GenTree* newTree, GenTree* tree, GenT
             // optAssertionPropMain(). It will reset the gtPrev and gtNext links for all nodes.
             newTree->gtNext = tree->gtNext;
 
+            // Old tree should not be referenced anymore.
+            DEBUG_DESTROY_NODE(tree);
         }
     }