diff options
Diffstat (limited to 'lib/system/gc_ms.nim')
| -rw-r--r-- | lib/system/gc_ms.nim | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/system/gc_ms.nim b/lib/system/gc_ms.nim index 271543445..a026b404b 100644 --- a/lib/system/gc_ms.nim +++ b/lib/system/gc_ms.nim @@ -305,20 +305,22 @@ proc newObjRC1(typ: PNimType, size: int): pointer {.compilerRtl.} = when defined(memProfiler): nimProfile(size) when not defined(nimSeqsV2): + {.push overflowChecks: on.} proc newSeq(typ: PNimType, len: int): pointer {.compilerRtl.} = # `newObj` already uses locks, so no need for them here. - let size = addInt(mulInt(len, typ.base.size), GenericSeqSize) + let size = len * typ.base.size + GenericSeqSize result = newObj(typ, size) cast[PGenericSeq](result).len = len cast[PGenericSeq](result).reserved = len when defined(memProfiler): nimProfile(size) proc newSeqRC1(typ: PNimType, len: int): pointer {.compilerRtl.} = - let size = addInt(mulInt(len, typ.base.size), GenericSeqSize) + let size = len * typ.base.size + GenericSeqSize result = newObj(typ, size) cast[PGenericSeq](result).len = len cast[PGenericSeq](result).reserved = len when defined(memProfiler): nimProfile(size) + {.pop.} proc growObj(old: pointer, newsize: int, gch: var GcHeap): pointer = collectCT(gch, newsize + sizeof(Cell)) |