[Bug other/120063] SARIF output: fatal errors should have their "level" set to "error"

[ensadc at mailnesia dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120063

--- Comment #1 from ensadc at mailnesia dot com ---
AFAIK this can be fixed by adding `case DK_FATAL` to `maybe_get_sarif_level` in
`diagnostic-format-sarif.cc`.

diff --git a/gcc/diagnostic-format-sarif.cc b/gcc/diagnostic-format-sarif.cc
index bc6abdff5e4..b26ae30255a 100644
--- a/gcc/diagnostic-format-sarif.cc
+++ b/gcc/diagnostic-format-sarif.cc
@@ -1851,6 +1851,7 @@ maybe_get_sarif_level (diagnostic_t diag_kind)
     {
     case DK_WARNING:
       return "warning";
+    case DK_FATAL:
     case DK_ERROR:
       return "error";
     case DK_NOTE: