libstdc++: Fix -Wsign-compare warning in <regex>

libstdc++-v3/ChangeLog:

	* include/bits/regex.tcc: Fix -Wsign-compare warning.

diff --git a/libstdc++-v3/include/bits/regex.tcc b/libstdc++-v3/include/bits/regex.tcc
index 5cf217ef777c89274aebcf0a46350a4614943f4d..5d2584e9d6d7ccc084f1067a868a55df76e40b8c 100644 (file)
--- 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