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-rw-r--r--sysdeps/x86_64/multiarch/stpncpy.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/stpncpy.S b/sysdeps/x86_64/multiarch/stpncpy.S
index ff89a89491..2698ca6a8c 100644
--- a/sysdeps/x86_64/multiarch/stpncpy.S
+++ b/sysdeps/x86_64/multiarch/stpncpy.S
@@ -1,3 +1,5 @@
+/* Multiple versions of stpncpy
+   All versions must be listed in ifunc-impl-list.c.  */
 #define STRCPY __stpncpy
 #define USE_AS_STPCPY
 #define USE_AS_STRNCPY