[analyzer] Shorten ObjcSuperDeallocChecker diagnostics.

Change "use of 'self' after it has been freed with call to [super dealloc]" to
"use of 'self' after it has been deallocated" and "use of instance variable
'_ivar' after the instance has been freed with call to [super dealloc]" to
"use of instance variable '_ivar' after 'self' has been deallocated".

llvm-svn: 261945
diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp
index 263da20..9c1d69d 100644
--- a/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp
@@ -166,7 +166,7 @@
   llvm::raw_string_ostream OS(Buf);
   if (IvarRegion) {
     OS << "use of instance variable '" << *IvarRegion->getDecl() <<
-          "' after the instance has been freed with call to [super dealloc]";
+          "' after 'self' has been deallocated";
     Desc = OS.str();
   }
 
@@ -189,7 +189,7 @@
     return;
 
   if (Desc.empty())
-    Desc = "use of 'self' after it has been freed with call to [super dealloc]";
+    Desc = "use of 'self' after it has been deallocated";
 
   // Generate the report.
   std::unique_ptr<BugReport> BR(