[Bug c++/77462] Error message prints source from wrong file after #line

[d.frey at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77462

--- Comment #2 from Daniel Frey <d.frey at gmx dot de> ---
(In reply to Manuel López-Ibáñez from comment #1)

Indeed, this is even worse than I thought.

FWIW, here's a reduced example for my code:

  static_assert( 2 + 2 == 4, "oops" );
  #line 1
  static_assert( 2 + 2 == 5, "oops" );

Leading to the same wrong error message, no explicit setting of the file is
necessary to confuse the compiler.