Reject enums with holes when computedGoto is used (#8132)

Fixes #7699
2018-06-27 21:36:52 +02:00 · 2018-06-27 21:36:52 +02:00 · 722abbe9c9
commit 722abbe9c9
parent bb23d903b6
2 changed files with 18 additions and 0 deletions
--- a/compiler/ccgstmts.nim
+++ b/compiler/ccgstmts.nim
@ -404,6 +404,9 @@ proc genComputedGoto(p: BProc; n: PNode) =
        localError(p.config, it.info,
            "case statement must be exhaustive for computed goto"); return
      casePos = i
+      if enumHasHoles(it.sons[0].typ):
+        localError(p.config, it.info,
+            "case statement cannot work on enums with holes for computed goto"); return
      let aSize = lengthOrd(p.config, it.sons[0].typ)
      if aSize > 10_000:
        localError(p.config, it.info,