t/re/regexp.t: Silence HP-UX warnings

The tests that use t/re/re_tests may use a locale.  It doesn't much
matter which locale, except we want one that isn't going to generate
warnings.

1 files changed, 7 insertions, 0 deletions

diff --git a/t/re/regexp.t b/t/re/regexp.t
index 835cbdc668..037d7b7a48 100644
--- a/t/re/regexp.t
+++ b/t/re/regexp.t
@@ -71,6 +71,13 @@ BEGIN {
 	print("1..0 # Skip Unicode tables not built yet\n"), exit
 	    unless eval 'require "unicore/Heavy.pl"';
     }
+
+    # Some of the tests need a locale; which one doesn't much matter, except
+    # that it be valid.  Make sure of that
+    eval { require POSIX;
+            POSIX->import(qw(LC_ALL setlocale));
+            POSIX::setlocale(&LC_ALL, "C");
+    };
 }
 
 sub _comment {