fixes #20026; marks system procs which can raise defects (#20864)

* marks system procs which can raise defects * add tests * add more systemRaisesDefect * add comment
2022-11-23 03:07:00 +08:00 · 2022-11-23 03:07:00 +08:00 · 0448f30fd9
commit 0448f30fd9
parent 354eb2a86c
7 changed files with 26 additions and 19 deletions
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@ -299,6 +299,7 @@ type
    sfInjectDestructors # whether the proc needs the 'injectdestructors' transformation
    sfNeverRaises     # proc can never raise an exception, not even OverflowDefect
                      # or out-of-memory
+    sfSystemRaisesDefect # proc in the system can raise defects
    sfUsedInFinallyOrExcept  # symbol is used inside an 'except' or 'finally'
    sfSingleUsedTemp  # For temporaries that we know will only be used once
    sfNoalias         # 'noalias' annotation, means C's 'restrict'