stap.1: document -W switch

diff --git a/man/stap.1 b/man/stap.1
index 91b666516884e5931520058e75bece0dbb2f00a8..a7f90e1a9db5e985b8e57c31191449d882c49c26 100644 (file)
--- a/man/stap.1
+++ b/man/stap.1
@@ -144,6 +144,9 @@ Unoptimized mode.  Disable unused code elision during elaboration.
 .B \-w
 Suppressed warnings mode.  Disables all warning messages.
 .TP
+.B \-W
+Treat all warnings as errors.
+.TP
 .BI \-b
 Use bulk mode (percpu files) for kernel-to-user data transfer.
 .TP