6 files changed, 15 insertions, 13 deletions
diff --git a/lib/std/exitprocs.nim b/lib/std/exitprocs.nim
index 36f22a5d1..736bf06d1 100644
--- a/lib/std/exitprocs.nim
+++ b/lib/std/exitprocs.nim
@@ -81,7 +81,6 @@ when not defined(nimscript):
       doAssert false
 
   proc setProgramResult*(a: int) =
-    # pending https://github.com/nim-lang/Nim/issues/14674
     when defined(js) and defined(nodejs):
       asm """
 process.exitCode = `a`;
diff --git a/lib/std/jsbigints.nim b/lib/std/jsbigints.nim
index fda299e7b..067de78b5 100644
--- a/lib/std/jsbigints.nim
+++ b/lib/std/jsbigints.nim
@@ -110,7 +110,7 @@ func `==`*(x, y: JsBigInt): bool {.importjs: "(# == #)".} =
     doAssert big"42" == big"42"
 
 func `**`*(x, y: JsBigInt): JsBigInt {.importjs: "((#) $1 #)".} =
-  # (#) needed, refs https://github.com/nim-lang/Nim/pull/16409#issuecomment-760550812
+  # (#) needed due to unary minus
   runnableExamples:
     doAssert big"2" ** big"64" == big"18446744073709551616"
     doAssert big"-2" ** big"3" == big"-8"
@@ -120,8 +120,6 @@ func `**`*(x, y: JsBigInt): JsBigInt {.importjs: "((#) $1 #)".} =
     try: discard big"2" ** big"-1" # raises foreign `RangeError`
     except: ok = true
     doAssert ok
-  # pending https://github.com/nim-lang/Nim/pull/15940, simplify to:
-  # doAssertRaises: discard big"2" ** big"-1" # raises foreign `RangeError`
 
 func `and`*(x, y: JsBigInt): JsBigInt {.importjs: "(# & #)".} =
   runnableExamples:
diff --git a/lib/std/jsonutils.nim b/lib/std/jsonutils.nim
index f17407f20..847761e2f 100644
--- a/lib/std/jsonutils.nim
+++ b/lib/std/jsonutils.nim
@@ -371,7 +371,6 @@ proc toJsonHook*[K: string|cstring, V](t: (Table[K, V] | OrderedTable[K, V]), op
   ##
   ## See also:
   ## * `fromJsonHook proc<#fromJsonHook,,JsonNode>`_
-  # pending PR #9217 use: toSeq(a) instead of `collect` in `runnableExamples`.
   runnableExamples:
     import std/[tables, json, sugar]
     let foo = (
diff --git a/lib/std/private/osfiles.nim b/lib/std/private/osfiles.nim
index 7f822ffcc..78afd35da 100644
--- a/lib/std/private/osfiles.nim
+++ b/lib/std/private/osfiles.nim
@@ -155,10 +155,14 @@ when hasCCopyfile:
   proc copyfile_state_alloc(): copyfile_state_t
   proc copyfile_state_free(state: copyfile_state_t): cint
   proc c_copyfile(src, dst: cstring,  state: copyfile_state_t, flags: copyfile_flags_t): cint {.importc: "copyfile".}
-  # replace with `let` pending bootstrap >= 1.4.0
-  var
-    COPYFILE_DATA {.nodecl.}: copyfile_flags_t
-    COPYFILE_XATTR {.nodecl.}: copyfile_flags_t
+  when (NimMajor, NimMinor) >= (1, 4):
+    let
+      COPYFILE_DATA {.nodecl.}: copyfile_flags_t
+      COPYFILE_XATTR {.nodecl.}: copyfile_flags_t
+  else:
+    var
+      COPYFILE_DATA {.nodecl.}: copyfile_flags_t
+      COPYFILE_XATTR {.nodecl.}: copyfile_flags_t
   {.pop.}
 
 type
diff --git a/lib/std/strbasics.nim b/lib/std/strbasics.nim
index be1dd7a58..b2c36a4be 100644
--- a/lib/std/strbasics.nim
+++ b/lib/std/strbasics.nim
@@ -23,8 +23,8 @@ proc add*(x: var string, y: openArray[char]) =
   # Use `{.noalias.}` ?
   let n = x.len
   x.setLen n + y.len
-    # pending https://github.com/nim-lang/Nim/issues/14655#issuecomment-643671397
-    # use x.setLen(n + y.len, isInit = false)
+    # pending #19727
+    # setLen unnecessarily zeros memory
   var i = 0
   while i < y.len:
     x[n + i] = y[i]
diff --git a/lib/std/sysrand.nim b/lib/std/sysrand.nim
index d57f2845e..7943f2e1b 100644
--- a/lib/std/sysrand.nim
+++ b/lib/std/sysrand.nim
@@ -168,8 +168,10 @@ elif defined(windows):
     result = randomBytes(addr dest[0], size)
 
 elif defined(linux) and not defined(nimNoGetRandom) and not defined(emscripten):
-  # TODO using let, pending bootstrap >= 1.4.0
-  var SYS_getrandom {.importc: "SYS_getrandom", header: "<sys/syscall.h>".}: clong
+  when (NimMajor, NimMinor) >= (1, 4):
+    let SYS_getrandom {.importc: "SYS_getrandom", header: "<sys/syscall.h>".}: clong
+  else:
+    var SYS_getrandom {.importc: "SYS_getrandom", header: "<sys/syscall.h>".}: clong
   const syscallHeader = """#include <unistd.h>
 #include <sys/syscall.h>"""