jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix #15706 (#15846)

Browse source 
* fix #15706 Underflow not detected when using dec on distinct ranges

* fix #15846 first, jsgen even doesn't care of range in this op
This commit is contained in:
Bung 2020-11-07 16:00:41 +08:00 • committed by GitHub
commit c07807bedf
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
compiler/ccgexprs.nim
View file

@ -2269,7 +2269,7 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) =
initLocExpr(p, e[1], a)
initLocExpr(p, e[2], b)
let ranged = skipTypes(e[1].typ, {tyGenericInst, tyAlias, tySink, tyVar, tyLent})
let ranged = skipTypes(e[1].typ, {tyGenericInst, tyAlias, tySink, tyVar, tyLent, tyDistinct})
let res = binaryArithOverflowRaw(p, ranged, a, b,
if underlying.kind == tyInt64: fun64[op] else: fun[op])