diff options
Diffstat (limited to 'compiler/sigmatch.nim')
| -rw-r--r-- | compiler/sigmatch.nim | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim index bb99463b6..1cf29dcfd 100644 --- a/compiler/sigmatch.nim +++ b/compiler/sigmatch.nim @@ -1456,8 +1456,12 @@ proc typeRel(c: var TCandidate, f, aOrig: PType, let origF = f var f = if prev == nil: f else: prev - let roota = a.skipGenericAlias - let rootf = f.skipGenericAlias + let deptha = a.genericAliasDepth() + let depthf = f.genericAliasDepth() + let skipBoth = deptha == depthf and (a.len > 0 and f.len > 0 and a.base != f.base) + + let roota = if skipBoth or deptha > depthf: a.skipGenericAlias else: a + let rootf = if skipBoth or depthf > deptha: f.skipGenericAlias else: f if a.kind == tyGenericInst: if roota.base == rootf.base: |