Add EVALTEST.SILENTLOADFROMTREEIFY.SYNTAXERROR
This is similar to EVALTEST.SILENTLOADFROMTREEIFY.THROWSERROR, expect it exercies a different code path and causes the stopping_flag to be set to STOPPING when treeifying.
Authored by: david_costanzo 2026-08-05
Parent: [r6386]
Child: [r6388]