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| author | Timothee Cour <timothee.cour2@gmail.com> | 2021-01-14 16:09:58 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-15 01:09:58 +0100 |
| commit | 52cf7280019c943dd7df33d0dd693931e6a116ee (patch) | |
| tree | 17453e07c4b16ceeb96c35c30cb44decae36623c /lib | |
| parent | 554fe8f88fc6d146b17726acbab415f77e346a72 (diff) | |
| download | Nim-52cf7280019c943dd7df33d0dd693931e6a116ee.tar.gz | |
followup for #16717: minimized example + improved comment (#16721)
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/system/assign.nim | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/system/assign.nim b/lib/system/assign.nim index 8ba3e409d..faf16fc90 100644 --- a/lib/system/assign.nim +++ b/lib/system/assign.nim @@ -122,8 +122,10 @@ proc genericAssignAux(dest, src: pointer, mt: PNimType, shallow: bool) = # var tbObj = TB(p) # tbObj of TC # needs to be false! #c_fprintf(stdout, "%s %s\n", pint[].name, mt.name) - let srcType = cast[ptr PNimType](src)[] # object is not initialized properly(for example std/times.DateTime) + let srcType = cast[ptr PNimType](src)[] if srcType != nil: + # `!= nil` needed because of cases where object is not initialized properly (see bug #16706) + # note that you can have `srcType == nil` yet `src != nil` chckObjAsgn(srcType, mt) pint[] = mt # cast[ptr PNimType](src)[] of tyTuple: |