Silence -Wunused-parameter my_perl under threads.

For S_ functions, remove the context.
For Perl_ functions, add PERL_UNUSED_CONTEXT.

Tricky because sometimes depends on DEBUGGING, and sometimes
on whether we are have PERL_IMPLICIT_SYS.

(Why all the mathoms Perl_is_uni_... and Perl_is_utf8_...
functions are not being whined about is a mystery.)

vutil.c (included via util.c) has one of these, but it's cpan/,
and a known problem: https://rt.cpan.org/Ticket/Display.html?id=96100

1 files changed, 2 insertions, 0 deletions

diff --git a/deb.c b/deb.c
index d16103eb1e..433ae11ddb 100644
--- a/deb.c
+++ b/deb.c
@@ -94,6 +94,8 @@ Perl_debstackptrs(pTHX)
 		  PTR2UV(PL_mainstack), PTR2UV(AvARRAY(PL_curstack)),
 		  PTR2UV(PL_mainstack), PTR2UV(AvFILLp(PL_curstack)),
 		  PTR2UV(AvMAX(PL_curstack)));
+#else
+    PERL_UNUSED_CONTEXT;
 #endif /* DEBUGGING */
     return 0;
 }