Fix #10875 FP constStatement with delete (#3926)

lib/tokenlist.cpp

@@ -529,7 +529,7 @@ static bool iscast(const Token *tok, bool cpp)
         return false;
 
     if (tok->previous() && tok->previous()->isName() && tok->previous()->str() != "return" &&
-        (!cpp || tok->previous()->str() != "throw"))
+        (!cpp || !Token::Match(tok->previous(), "delete|throw")))
         return false;
 
     if (Token::simpleMatch(tok->previous(), ">") && tok->previous()->link())

test/testincompletestatement.cpp

@@ -497,6 +497,12 @@ private:
                       "[test.cpp:12]: (warning) Redundant code: Found unused member access.\n"
                       "[test.cpp:15]: (warning) Redundant code: Found unused member access.\n",
                       errout.str());
+
+        check("struct S { void* p; };\n"
+              "void f(S s) {\n"
+              "    delete (int*)s.p;\n"
+              "}\n");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void vardecl() {