From 7d3e80ce9c522365bf78c44726e9946975f534e4 Mon Sep 17 00:00:00 2001
From: Zoey Greer <zoey@buildbuddy.io>
Date: Thu, 19 Sep 2024 17:31:24 -0700
Subject: [PATCH] `#ifdef` out `clang`-specific pragmas to avoid unknown pragma
 warnings when compiling with non-`clang` (#18241)

Closes #18241

COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/18241 from tempoz:tempoz-fix-unknown-pragma e67f35888557f4a78341ed373a96a4c4352da9a0
PiperOrigin-RevId: 676625555
---
 src/google/protobuf/wire_format_lite.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/google/protobuf/wire_format_lite.cc b/src/google/protobuf/wire_format_lite.cc
index 9737f0ecb5..989a337262 100644
--- a/src/google/protobuf/wire_format_lite.cc
+++ b/src/google/protobuf/wire_format_lite.cc
@@ -671,9 +671,11 @@ static size_t VarintSize(const T* data, const int n) {
     if (x > 0x1FFFFF) sum++;
     if (x > 0xFFFFFFF) sum++;
   }
+#ifdef __clang__
 // Clang is not smart enough to see that this loop doesn't run many times
 // NOLINTNEXTLINE(google3-runtime-pragma-loop-hint): b/315043579
 #pragma clang loop vectorize(disable) unroll(disable) interleave(disable)
+#endif
   for (; i < n; i++) {
     uint32_t x = data[i];
     if (ZigZag) {
@@ -713,9 +715,11 @@ static size_t VarintSize64(const T* data, const int n) {
     if (x > 0x1FFFFF) sum++;
     if (x > 0xFFFFFFF) sum++;
   }
+#ifdef __clang__
 // Clang is not smart enough to see that this loop doesn't run many times
 // NOLINTNEXTLINE(google3-runtime-pragma-loop-hint): b/315043579
 #pragma clang loop vectorize(disable) unroll(disable) interleave(disable)
+#endif
   for (; i < n; i++) {
     uint64_t x = data[i];
     if (ZigZag) {