From 1548bb13d754069ab67657741fab5d97a52584ca Mon Sep 17 00:00:00 2001
From: akrieger <667719+akrieger@users.noreply.github.com>
Date: Wed, 3 Sep 2025 12:25:49 -0700
Subject: [PATCH] Force -O3 for executorch op_div.cpp in "clang 17" also
 (#13660)

Summary:
Pull Request resolved: https://github.com/pytorch/executorch/pull/13660

Some platforms use clang 19 under the hood but are setting the clang 17
constraint for bad reasons.

Reviewed By: swolchok

Differential Revision: D80980948
---
 .../executorch/kernels/optimized/op_registration_util.bzl    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/shim_et/xplat/executorch/kernels/optimized/op_registration_util.bzl b/shim_et/xplat/executorch/kernels/optimized/op_registration_util.bzl
index 5a0b509ed06..ae1a6b83859 100644
--- a/shim_et/xplat/executorch/kernels/optimized/op_registration_util.bzl
+++ b/shim_et/xplat/executorch/kernels/optimized/op_registration_util.bzl
@@ -174,9 +174,10 @@ OPTIMIZED_ATEN_OPS = (
         # is not sufficient to avoid it.
         compiler_flags = [] if runtime.is_oss else select({
             "DEFAULT": [],
-            "ovr_config//toolchain/clang/constraints:19": select({
+            "ovr_config//os:android": select({
                 "DEFAULT": [],
-                "ovr_config//os:android": ["-O3"],
+                "ovr_config//toolchain/clang/constraints:17": ["-O3"],
+                "ovr_config//toolchain/clang/constraints:19": ["-O3"],
             }),
         }),
         deps = [