enabled "debug" findings in self-check / split "simplifyUsing" and "simplyTypedef" from more generic "debug" (#3210)

.travis_suppressions

@@ -8,11 +8,11 @@ bitwiseOnBoolean
 # temporary suppressions - fix the warnings!
 unusedPrivateFunction:test/test*.cpp
 useStlAlgorithm
+simplifyUsing:lib/valueptr.h
 
 # debug suppressions
 valueFlowBailout
 valueFlowBailoutIncompleteVar
-debug
 varid0
 autoNoType
 bailoutUninitVar

lib/tokenize.cpp

@@ -377,7 +377,7 @@ void Tokenizer::unsupportedTypedef(const Token *tok) const
     if (tok)
         str << " ;";
 
-    reportError(tok1, Severity::debug, "debug",
+    reportError(tok1, Severity::debug, "simplifyTypedef",
                 "Failed to parse \'" + str.str() + "\'. The checking continues anyway.");
 }
 
@@ -2604,7 +2604,7 @@ bool Tokenizer::simplifyUsing()
                     }
                     str += " ;";
                     std::list<const Token *> callstack(1, usingStart);
-                    mErrorLogger->reportErr(ErrorMessage(callstack, &list, Severity::debug, "debug",
+                    mErrorLogger->reportErr(ErrorMessage(callstack, &list, Severity::debug, "simplifyUsing",
                                                          "Failed to parse \'" + str + "\'. The checking continues anyway.", Certainty::normal));
                 }
             }