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-rw-r--r--locale/duplocale.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/locale/duplocale.c b/locale/duplocale.c
index 2fa29d14d6..77dfc01046 100644
--- a/locale/duplocale.c
+++ b/locale/duplocale.c
@@ -33,6 +33,10 @@ __libc_lock_define (extern , __libc_setlocale_lock attribute_hidden)
__locale_t
__duplocale (__locale_t dataset)
{
+ /* This static object is returned for newlocale (LC_ALL_MASK, "C"). */
+ if (dataset == &_nl_C_locobj)
+ return dataset;
+
__locale_t result;
int cnt;
size_t names_len = 0;