https://gcc.gnu.org/g:ba1b6ed1c91ef310b19a2f33523b97f026750303
commit r15-6220-gba1b6ed1c91ef310b19a2f33523b97f026750303
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Fri Dec 13 11:59:08 2024 +0000

    libstdc++: Fix -Wsign-compare warning in <regex>
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/regex.tcc: Fix -Wsign-compare warning.

Diff:
---
 libstdc++-v3/include/bits/regex.tcc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/bits/regex.tcc 
b/libstdc++-v3/include/bits/regex.tcc
index 5cf217ef777c..5d2584e9d6d7 100644
--- a/libstdc++-v3/include/bits/regex.tcc
+++ b/libstdc++-v3/include/bits/regex.tcc
@@ -444,7 +444,7 @@ namespace __detail
                      __num *= 10;
                      __num += __traits.value(*__next++, 10);
                    }
-                 if (0 <= __num && __num < this->size())
+                 if (0 <= __num && size_t(__num) < this->size())
                    __output(__num);
                }
              else

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