[llvm] [flang] use specialized scan/verify version for char (PR #161767)

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https://github.com/c8ef created https://github.com/llvm/llvm-project/pull/161767

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>From 9be620bf5c1edcd487ee403c6e9f1a99f956143e Mon Sep 17 00:00:00 2001
From: c8ef <c8ef at outlook.com>
Date: Fri, 3 Oct 2025 10:37:04 +0800
Subject: [PATCH] [flang] use specialized scan/verify version for char

---
 flang-rt/lib/runtime/character.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/flang-rt/lib/runtime/character.cpp b/flang-rt/lib/runtime/character.cpp
index 98a225dbec9f9..0f9f419ff0b7b 100644
--- a/flang-rt/lib/runtime/character.cpp
+++ b/flang-rt/lib/runtime/character.cpp
@@ -789,7 +789,7 @@ void RTDEF(LenTrim)(Descriptor &result, const Descriptor &string, int kind,
 
 std::size_t RTDEF(Scan1)(const char *x, std::size_t xLen, const char *set,
     std::size_t setLen, bool back) {
-  return ScanVerify<char, CharFunc::Scan>(x, xLen, set, setLen, back);
+  return ScanVerify<false>(x, xLen, set, setLen, back);
 }
 std::size_t RTDEF(Scan2)(const char16_t *x, std::size_t xLen,
     const char16_t *set, std::size_t setLen, bool back) {
@@ -873,7 +873,7 @@ void RTDEF(Trim)(Descriptor &result, const Descriptor &string,
 
 std::size_t RTDEF(Verify1)(const char *x, std::size_t xLen, const char *set,
     std::size_t setLen, bool back) {
-  return ScanVerify<char, CharFunc::Verify>(x, xLen, set, setLen, back);
+  return ScanVerify<true>(x, xLen, set, setLen, back);
 }
 std::size_t RTDEF(Verify2)(const char16_t *x, std::size_t xLen,
     const char16_t *set, std::size_t setLen, bool back) {