Bug 1672908 - Fix "unused variable uc" on arm64 macOS. r=gsvelto

glandium · glandium · commit be3017b8fb77 · 2020-10-23T07:12:54.000Z
Differential Revision: https://phabricator.services.mozilla.com/D94550
diff --git a/toolkit/xre/nsSigHandlers.cpp b/toolkit/xre/nsSigHandlers.cpp
@@ -150,9 +150,9 @@ static void fpehandler(int signum, siginfo_t* si, void* context) {
   }
 
 #    ifdef XP_MACOSX
+#      if defined(__i386__) || defined(__amd64__)
   ucontext_t* uc = (ucontext_t*)context;
 
-#      if defined(__i386__) || defined(__amd64__)
   _STRUCT_FP_CONTROL* ctrl = &uc->uc_mcontext->__fs.__fpu_fcw;
   ctrl->__invalid = ctrl->__denorm = ctrl->__zdiv = ctrl->__ovrfl =
       ctrl->__undfl = ctrl->__precis = 1;

Original file line number	Diff line number	Diff line change
`@@ -150,9 +150,9 @@ static void fpehandler(int signum, siginfo_t* si, void* context) {`
`150`	`150`	`}`
`151`	`151`
`152`	`152`	`# ifdef XP_MACOSX`
	`153`	`+# if defined(__i386__) \|\| defined(__amd64__)`
`153`	`154`	`ucontext_t* uc = (ucontext_t*)context;`
`154`	`155`
`155`		`-# if defined(__i386__) \|\| defined(__amd64__)`
`156`	`156`	`_STRUCT_FP_CONTROL* ctrl = &uc->uc_mcontext->__fs.__fpu_fcw;`
`157`	`157`	`ctrl->__invalid = ctrl->__denorm = ctrl->__zdiv = ctrl->__ovrfl =`
`158`	`158`	`ctrl->__undfl = ctrl->__precis = 1;`