[Bug analyzer/115724] analyzer does not recognise glibc (GNU) extension, non-returning error

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115724

--- Comment #9 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Fixed by the above patch for trunk for gcc 15.

Handling of "error" was added in r11-7333-g5ee4ba031dd9fc to fix PR
analyzer/99196 so keeping this open to track backporting to earlier branches.