Use class name as tag description of checker family

Author: NagyDonat

clang/lib/StaticAnalyzer/Checkers/DivZeroChecker.cpp

@@ -39,9 +39,8 @@ class DivZeroChecker : public CheckerFamily<check::PreStmt<BinaryOperator>> {
 
   void checkPreStmt(const BinaryOperator *B, CheckerContext &C) const;
 
-  /// Identifies this checker family for debugging purposes. For backwards
-  /// compatibility, this is the name of the older sub-checker.
-  StringRef getTagDescription() const override { return "core.DivideZero"; }
+  /// Identifies this checker family for debugging purposes.
+  StringRef getTagDescription() const override { return "DivZeroChecker"; }
 };
 } // end anonymous namespace
 

clang/test/Analysis/ftime-trace.cpp

@@ -39,7 +39,7 @@
 
 // Finally, each checker call back is also present:
 //
-// CHECK:          "name": "Total Stmt:core.DivideZero",
+// CHECK:          "name": "Total Stmt:DivZeroChecker",
 // CHECK-NEXT:     "args": {
 // CHECK-NEXT:         "count": {{[0-9]+}},
 // CHECK-NEXT:         "avg ms": {{[0-9]+}}