[LLVM] Bump to 121f5a96f (#388)

bump-llvm[bot] · github-actions[bot] · web-flow · commit 88ac0e75e37a · 2026-04-12T22:33:27.000-07:00
Bump LLVM to llvm/llvm-project@121f5a96f Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
diff --git a/third_party/llvm-project b/third_party/llvm-project
@@ -1 +1 @@
-Subproject commit 5347264191e74840adc740db1aa41b7a9d33670a
+Subproject commit 121f5a96ff38ec0c5d5f7274b1b0ca0df26a1cee
