From 273aecdb2008a58593aa1baf175e5e6e2aec1df5 Mon Sep 17 00:00:00 2001
From: Slava Zakharin <szakharin@nvidia.com>
Date: Fri, 18 Apr 2025 08:45:52 -0700
Subject: [PATCH] [flang-rt] Use runtime::memchr instead of std::memchr.
 (#135298)

---
 flang-rt/include/flang-rt/runtime/io-stmt.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/flang-rt/include/flang-rt/runtime/io-stmt.h b/flang-rt/include/flang-rt/runtime/io-stmt.h
index b6e95d155d01..73c59b0b5ed2 100644
--- a/flang-rt/include/flang-rt/runtime/io-stmt.h
+++ b/flang-rt/include/flang-rt/runtime/io-stmt.h
@@ -20,6 +20,7 @@
 #include "flang/Common/optional.h"
 #include "flang/Common/reference-wrapper.h"
 #include "flang/Common/visit.h"
+#include "flang/Runtime/freestanding-tools.h"
 #include "flang/Runtime/io-api.h"
 #include <flang/Common/variant.h>
 #include <functional>
@@ -180,8 +181,8 @@ public:
 
   private:
     RT_API_ATTRS void CheckForAsterisk() {
-      hasAsterisk_ =
-          at_ && at_ < limit_ && std::memchr(at_, '*', limit_ - at_) != nullptr;
+      hasAsterisk_ = at_ && at_ < limit_ &&
+          runtime::memchr(at_, '*', limit_ - at_) != nullptr;
     }
 
     ConnectionState &connection_;