diff options
Diffstat (limited to 'lib/system/alloc.nim')
| -rw-r--r-- | lib/system/alloc.nim | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim index 954485eb4..eaef6cd95 100644 --- a/lib/system/alloc.nim +++ b/lib/system/alloc.nim @@ -722,10 +722,13 @@ proc alloc0(allocator: var TMemRegion, size: int): pointer = zeroMem(result, size) proc dealloc(allocator: var TMemRegion, p: pointer) = + sysAssert(p != nil, "dealloc 0") var x = cast[pointer](cast[TAddress](p) -% sizeof(TFreeCell)) - sysAssert(cast[ptr TFreeCell](x).zeroField == 1, "dealloc 1") + sysAssert(x != nil, "dealloc 1") + sysAssert(isAccessible(allocator, x), "is not accessible") + sysAssert(cast[ptr TFreeCell](x).zeroField == 1, "dealloc 2") rawDealloc(allocator, x) - sysAssert(not isAllocatedPtr(allocator, x), "dealloc 2") + sysAssert(not isAllocatedPtr(allocator, x), "dealloc 3") proc realloc(allocator: var TMemRegion, p: pointer, newsize: int): pointer = if newsize > 0: |