fix false warning by gcc version 12 only

dirk-zimoch · dirk-zimoch · commit c5c04bbcc308 · 2025-11-04T11:29:08.000+01:00
diff --git a/src/ioc/reftrackioc.cpp b/src/ioc/reftrackioc.cpp
@@ -48,6 +48,11 @@ void refshow(int lvl)
 // No locking.  assume only interactive iocsh use
 static epics::RefSnapshot savedSnap;
 
+#if __GNUC__ == 12
+// silence false (?) warning that shows in gcc 12 only
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdangling-pointer"
+#endif
 void refsave()
 {
     try {
@@ -57,6 +62,9 @@ void refsave()
         savedSnap.swap(snap);
     }CATCH()
 }
+#if __GNUC__ == 12
+#pragma GCC diagnostic pop
+#endif
 
 void refdiff(int lvl)
 {

Original file line number	Diff line number	Diff line change
`@@ -48,6 +48,11 @@ void refshow(int lvl)`
`48`	`48`	`// No locking. assume only interactive iocsh use`
`49`	`49`	`static epics::RefSnapshot savedSnap;`
`50`	`50`
	`51`	`+#if __GNUC__ == 12`
	`52`	`+// silence false (?) warning that shows in gcc 12 only`
	`53`	`+#pragma GCC diagnostic push`
	`54`	`+#pragma GCC diagnostic ignored "-Wdangling-pointer"`
	`55`	`+#endif`
`51`	`56`	`void refsave()`
`52`	`57`	`{`
`53`	`58`	`try {`
`@@ -57,6 +62,9 @@ void refsave()`
`57`	`62`	`savedSnap.swap(snap);`
`58`	`63`	`}CATCH()`
`59`	`64`	`}`
	`65`	`+#if __GNUC__ == 12`
	`66`	`+#pragma GCC diagnostic pop`
	`67`	`+#endif`
`60`	`68`
`61`	`69`	`void refdiff(int lvl)`
`62`	`70`	`{`