IC: progress (#25314)

lib/system/arithmetics.nim

@@ -1,3 +1,5 @@
+{.push stack_trace: off.}
+
 proc succ*[T, V: Ordinal](x: T, y: V = 1): T {.magic: "Succ", noSideEffect.} =
   ## Returns the `y`-th successor (default: 1) of the value `x`.
   ##
@@ -403,3 +405,5 @@ proc `%%`*(x, y: int8): int8 {.inline.}   = cast[int8](cast[uint8](x) mod cast[u
 proc `%%`*(x, y: int16): int16 {.inline.} = cast[int16](cast[uint16](x) mod cast[uint16](y))
 proc `%%`*(x, y: int32): int32 {.inline.} = cast[int32](cast[uint32](x) mod cast[uint32](y))
 proc `%%`*(x, y: int64): int64 {.inline.} = cast[int64](cast[uint64](x) mod cast[uint64](y))
+
+{.pop.}

lib/system/dyncalls.nim

@@ -12,7 +12,7 @@
 # However, the interface has been designed to take platform differences into
 # account and been ported to all major platforms.
 
-{.push stack_trace: off.}
+{.push stack_trace: off, checks: off.}
 
 const
   NilLibHandle: LibHandle = nil

lib/system/excpt.nim

@@ -22,10 +22,6 @@ var
     ## instead of `stdmsg.write` when printing stacktrace.
     ## Unstable API.
 
-when defined(windows):
-  proc GetLastError(): int32 {.header: "<windows.h>", nodecl.}
-  const ERROR_BAD_EXE_FORMAT = 193
-
 when not defined(windows) or not defined(guiapp):
   proc writeToStdErr(msg: cstring) = rawWrite(cstderr, msg)
   proc writeToStdErr(msg: cstring, length: int) =