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| author | Arne Döring <arne.doering@gmx.net> | 2020-02-09 13:51:36 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-09 13:51:36 +0100 |
| commit | 2fee89f7db54e1425ba43c3d9a5eb4156eb6c765 (patch) | |
| tree | 4e23180d5081b5fab0bb38f67306fd0b9a1c9ed5 | |
| parent | 7939319379ba72beba8c15230b0a4229f7bcc1f1 (diff) | |
| download | Nim-2fee89f7db54e1425ba43c3d9a5eb4156eb6c765.tar.gz | |
fix #13255 (#13275) [backport]
| -rw-r--r-- | compiler/semstmts.nim | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/semstmts.nim b/compiler/semstmts.nim index 69022f4ad..7636705e0 100644 --- a/compiler/semstmts.nim +++ b/compiler/semstmts.nim @@ -945,9 +945,9 @@ proc semCase(c: PContext, n: PNode; flags: TExprFlags): PNode = checkSonsLen(x, 1, c.config) x[0] = semExprBranchScope(c, x[0]) typ = commonType(typ, x[0]) - hasElse = true - if chckCovered and covered == toCover(c, n[0].typ): + if (chckCovered and covered == toCover(c, n[0].typ)) or hasElse: localError(c.config, x.info, "invalid else, all cases are already covered") + hasElse = true chckCovered = false else: illFormedAst(x, c.config) |