Uninitalialized variables; Avoid FP for void cast

.travis_suppressions

@@ -9,7 +9,6 @@ bitwiseOnBoolean
 unusedPrivateFunction:test/test*.cpp
 useStlAlgorithm
 simplifyUsing:lib/valueptr.h
-uninitvar
 
 # debug suppressions
 valueFlowBailout

lib/checkuninitvar.cpp

@@ -1012,6 +1012,11 @@ static bool astIsRhs(const Token *tok)
     return tok && tok->astParent() && tok == tok->astParent()->astOperand2();
 }
 
+static bool isVoidCast(const Token *tok)
+{
+    return Token::simpleMatch(tok, "(") && tok->isCast() && tok->valueType() && tok->valueType()->type == ValueType::Type::VOID && tok->valueType()->pointer == 0;
+}
+
 const Token* CheckUninitVar::isVariableUsage(const Token *vartok, bool pointer, Alloc alloc, int indirect) const
 {
     const Token *valueExpr = vartok;   // non-dereferenced , no address of value as variable
@@ -1065,6 +1070,15 @@ const Token* CheckUninitVar::isVariableUsage(const Token *vartok, bool pointer,
         return nullptr;
 
     // safe operations
+    if (isVoidCast(valueExpr->astParent()))
+        return nullptr;
+    if (Token::simpleMatch(valueExpr->astParent(), ".")) {
+        const Token *parent = valueExpr->astParent();
+        while (Token::simpleMatch(parent, "."))
+            parent = parent->astParent();
+        if (isVoidCast(parent))
+            return nullptr;
+    }
     if (alloc != NO_ALLOC) {
         if (Token::Match(valueExpr->astParent(), "%comp%|%oror%|&&|?|!"))
             return nullptr;

test/cfg/gtk.c

@@ -70,7 +70,7 @@ void validCode(int argInt, GHashTableIter * hash_table_iter, GHashTable * hash_t
 
     // NULL is handled graciously
     char* str = g_strdup(NULL);
-    if(g_strcmp0(str, NULL) || g_strcmp0(NULL, str))
+    if (g_strcmp0(str, NULL) || g_strcmp0(NULL, str))
         printf("%s", str);
     g_free(str);
 }