gcc no "unreachable code" warning?

[JonB]

int func()
{
  return 1;
  // further statements
  // and perhaps a return 2;
}

gcc 9.3.0. I compile with -Wall. No warning after the first return, nor in the clang-chacking Qt Creator code editor.

I expected it would warn. I have searched web and over many years it seems some older -Wunreachable-code or similar has been deprecated/removed. So there is nothing now for this? Or, is there some extra warning I should be passing? Were you peeps aware of this and quite happy compiling your code without a warning for such an obviously wrong case?

[Christian Ehrlicher]

See https://gcc.gnu.org/legacy-ml/gcc-help/2011-05/msg00360.html

[JonB]

@Christian-Ehrlicher
Yes, but see the complainant in the first post at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46476. I feel his pain.

I ran

int func()
{
  return 1;
  return 2;
}

through a variety of the compilers at that Compiler Explorer/godbolt. Not one of them warned. Is it that we cannot set/adjust any compilation warnings there? I know you won't agree, but it's just sad that none of them offer to warn on the above :) :(