fixes #17060 (#17083)

2021-02-18 12:15:21 +01:00 · 2021-02-18 12:15:21 +01:00 · 8fd1ed6dfe
commit 8fd1ed6dfe
parent f400b5c26b
1 changed files with 3 additions and 1 deletions
--- a/compiler/linter.nim
+++ b/compiler/linter.nim
@ -55,7 +55,9 @@ proc beautifyName(s: string, k: TSymKind): string =
  inc i
  while i < s.len:
    if s[i] == '_':
-      if i > 0 and s[i-1] in {'A'..'Z'}:
+      if i+1 >= s.len:
+        discard "trailing underscores should be stripped off"
+      elif i > 0 and s[i-1] in {'A'..'Z'}:
        # don't skip '_' as it's essential for e.g. 'GC_disable'
        result.add('_')
        inc i