Fix #14180 FN intToPointerCast with binary integer literal (cppcheck-opensource#8643)

Co-authored-by: chrchr-github <noreply@github.com>

Author: chrchr-github

lib/checkother.cpp

@@ -464,6 +464,8 @@ void CheckOtherImpl::warningIntToPointerCast()
                 format = "decimal";
             else if (MathLib::isOct(from->str()))
                 format = "octal";
+            else if (MathLib::isBin(from->str()))
+                format = "binary";
             else
                 continue;
             intToPointerCastError(tok, format);

test/testother.cpp

@@ -2362,6 +2362,9 @@ class TestOther : public TestFixture {
         checkIntToPointerCast("struct S { int i; };\n" // #13886, don't crash
                               "int f() { return sizeof(((struct S*)0)->i); }");
         ASSERT_EQUALS("", errout_str());
+
+        checkIntToPointerCast("auto p = (int*)0b10;"); // #14180
+        ASSERT_EQUALS("[test.cpp:1:10]: (portability) Casting non-zero binary integer literal to pointer. [intToPointerCast]\n", errout_str());
     }
 
     struct CheckInvalidPointerCastOptions