diff options
| -rw-r--r-- | compiler/semtypinst.nim | 3 | ||||
| -rw-r--r-- | tests/generics/t17509.nim | 25 |
2 files changed, 27 insertions, 1 deletions
diff --git a/compiler/semtypinst.nim b/compiler/semtypinst.nim index bd2b25c24..4ab0e2de1 100644 --- a/compiler/semtypinst.nim +++ b/compiler/semtypinst.nim @@ -45,7 +45,8 @@ proc searchInstTypes*(g: ModuleGraph; key: PType): PType = # XXX: This happens for prematurely cached # types such as Channel[empty]. Why? # See the notes for PActor in handleGenericInvocation - return + # if this is return the same type gets cached more than it needs to + continue if not sameFlags(inst, key): continue diff --git a/tests/generics/t17509.nim b/tests/generics/t17509.nim new file mode 100644 index 000000000..89f507577 --- /dev/null +++ b/tests/generics/t17509.nim @@ -0,0 +1,25 @@ +type List[O] = object + next: ptr List[O] + +proc initList[O](l: ptr List[O]) = + l[].next = l + +type + PolytopeVertex[R] = object + list: List[PolytopeVertex[R]] + + PolytopeEdge[R] = object + list: List[PolytopeEdge[R]] + + Polytope[R] = object + vertices: List[PolytopeVertex[R]] + edges: List[PolytopeEdge[R]] + +var pt: Polytope[float] + +static: + doAssert pt.vertices.next is (ptr List[PolytopeVertex[float]]) + doAssert pt.edges.next is (ptr List[PolytopeEdge[float]]) + +initList(addr pt.vertices) +initList(addr pt.edges) \ No newline at end of file |