reduce copy & paste

We see several occurrence of "diagnostic push/pop" so why not
make them macros.  Tested on GCC8 / Clang 6.

Note that ruby.h is intentionally left untouched because we don't
want to introduce new public macros.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 5 deletions

diff --git a/mjit.c b/mjit.c
index 5668b1a6e9..3599aa6c9e 100644
--- a/mjit.c
+++ b/mjit.c
@@ -387,14 +387,13 @@ start_process(const char *path, char *const *argv)
         }
         dev_null = rb_cloexec_open(ruby_null_device, O_WRONLY, 0);
 
+        COMPILER_WARNING_PUSH;
 #ifdef __GNUC__
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+        COMPILER_WARNING_IGNORED(-Wdeprecated-declarations);
 #endif
         if ((pid = vfork()) == 0) {
-#ifdef __GNUC__
-# pragma GCC diagnostic pop
-#endif
+        COMPILER_WARNING_POP;
+
             umask(0077);
             if (mjit_opts.verbose == 0) {
                 /* CC can be started in a thread using a file which has been