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-rw-r--r--src/runtime/sys_darwin_arm.s2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/sys_darwin_arm.s b/src/runtime/sys_darwin_arm.s
index 54c7afbf34..6c3fa0739d 100644
--- a/src/runtime/sys_darwin_arm.s
+++ b/src/runtime/sys_darwin_arm.s
@@ -418,7 +418,7 @@ ok:
RET
// syscallPtr is like syscall except the libc function reports an
-// error by returning NULL.
+// error by returning NULL and setting errno.
TEXT runtime·syscallPtr(SB),NOSPLIT,$0
MOVW.W R0, -4(R13) // push structure pointer
MOVW 0(R0), R12 // fn