remove dead code elimination option (#7669)

28 files changed, 33 insertions, 35 deletions

diff --git a/lib/deprecated/pure/sockets.nim b/lib/deprecated/pure/sockets.nim
index f0568366a..05aebef76 100644
--- a/lib/deprecated/pure/sockets.nim
+++ b/lib/deprecated/pure/sockets.nim
@@ -32,7 +32,7 @@
 
 include "system/inclrtl"
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 when hostOS == "solaris":
   {.passl: "-lsocket -lnsl".}
diff --git a/lib/impure/db_sqlite.nim b/lib/impure/db_sqlite.nim
index 21049571f..f88037e2f 100644
--- a/lib/impure/db_sqlite.nim
+++ b/lib/impure/db_sqlite.nim
@@ -81,7 +81,7 @@
 ##
 ##  theDb.close()
 
-{.deadCodeElim:on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 import strutils, sqlite3
 
diff --git a/lib/impure/rdstdin.nim b/lib/impure/rdstdin.nim
index 5aa4cfcc3..54bab82f0 100644
--- a/lib/impure/rdstdin.nim
+++ b/lib/impure/rdstdin.nim
@@ -13,7 +13,7 @@
 ## is used. This suffices because Windows' console already provides the
 ## wanted functionality.
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 when defined(Windows):
   proc readLineFromStdin*(prompt: string): TaintedString {.
diff --git a/lib/posix/epoll.nim b/lib/posix/epoll.nim
index c5ed1a873..2d38137bb 100644
--- a/lib/posix/epoll.nim
+++ b/lib/posix/epoll.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim:on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 from posix import SocketHandle
 
diff --git a/lib/posix/inotify.nim b/lib/posix/inotify.nim
index a206f8067..359e88617 100644
--- a/lib/posix/inotify.nim
+++ b/lib/posix/inotify.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim:on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 # Get the platform-dependent flags.
 # Structure describing an inotify event.
diff --git a/lib/posix/kqueue.nim b/lib/posix/kqueue.nim
index 730491a53..18b47f5d5 100644
--- a/lib/posix/kqueue.nim
+++ b/lib/posix/kqueue.nim
@@ -7,8 +7,6 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim:on.}
-
 from posix import Timespec
 
 when defined(macosx) or defined(freebsd) or defined(openbsd) or
@@ -61,7 +59,7 @@ const
   EV_CLEAR*    = 0x0020 ## Clear event state after reporting.
   EV_RECEIPT*  = 0x0040 ## Force EV_ERROR on success, data == 0
   EV_DISPATCH* = 0x0080 ## Disable event after reporting.
-  
+
   EV_SYSFLAGS* = 0xF000 ## Reserved by system
   EV_DROP*     = 0x1000 ## Not should be dropped
   EV_FLAG1*    = 0x2000 ## Filter-specific flag
@@ -87,10 +85,10 @@ when defined(macosx) or defined(freebsd) or defined(dragonfly):
     NOTE_FFAND*      = 0x40000000'u32 ## AND fflags
     NOTE_FFOR*       = 0x80000000'u32 ## OR fflags
     NOTE_FFCOPY*     = 0xc0000000'u32 ## copy fflags
-    NOTE_FFCTRLMASK* = 0xc0000000'u32 ## masks for operations 
+    NOTE_FFCTRLMASK* = 0xc0000000'u32 ## masks for operations
     NOTE_FFLAGSMASK* = 0x00ffffff'u32
 
-    NOTE_TRIGGER*    = 0x01000000'u32 ## Cause the event to be triggered 
+    NOTE_TRIGGER*    = 0x01000000'u32 ## Cause the event to be triggered
                                       ## for output.
 
 # data/hint flags for EVFILT_{READ|WRITE}, shared with userspace
diff --git a/lib/posix/linux.nim b/lib/posix/linux.nim
index 6f9f75e34..25c7c7979 100644
--- a/lib/posix/linux.nim
+++ b/lib/posix/linux.nim
@@ -1,4 +1,4 @@
-{.deadCodeElim:on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 import posix
 
diff --git a/lib/posix/posix.nim b/lib/posix/posix.nim
index a23d76050..3ff156bdf 100644
--- a/lib/posix/posix.nim
+++ b/lib/posix/posix.nim
@@ -27,10 +27,10 @@
 ## resulting C code will just ``#include <XYZ.h>`` and *not* define the
 ## symbols declared here.
 
-# This ensures that we don't accidentally generate #includes for files that
-# might not exist on a specific platform! The user will get an error only
-# if they actualy try to use the missing declaration
-{.deadCodeElim: on.}
+# Dead code elimination ensures that we don't accidentally generate #includes
+# for files that might not exist on a specific platform! The user will get an
+# error only if they actualy try to use the missing declaration
+{.deadCodeElim: on.}  # dce option deprecated
 
 # TODO these constants don't seem to be fetched from a header file for unknown
 #      platforms - where do they come from and why are they here?
diff --git a/lib/posix/posix_other.nim b/lib/posix/posix_other.nim
index ae41263e8..004a4205b 100644
--- a/lib/posix/posix_other.nim
+++ b/lib/posix/posix_other.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim:on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 const
   hasSpawnH = not defined(haiku) # should exist for every Posix system nowadays
diff --git a/lib/posix/termios.nim b/lib/posix/termios.nim
index f86e408fb..60d540107 100644
--- a/lib/posix/termios.nim
+++ b/lib/posix/termios.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 import posix
 
 type
diff --git a/lib/pure/fenv.nim b/lib/pure/fenv.nim
index f8f115ecc..a083c680c 100644
--- a/lib/pure/fenv.nim
+++ b/lib/pure/fenv.nim
@@ -10,7 +10,7 @@
 ## Floating-point environment. Handling of floating-point rounding and
 ## exceptions (overflow, division by zero, etc.).
 
-{.deadCodeElim:on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 when defined(Posix) and not defined(haiku):
   {.passl: "-lm".}
diff --git a/lib/pure/matchers.nim b/lib/pure/matchers.nim
index 6366fee1a..685c3b07a 100644
--- a/lib/pure/matchers.nim
+++ b/lib/pure/matchers.nim
@@ -12,7 +12,7 @@
 ## **Warning:** This module is deprecated since version 0.14.0.
 {.deprecated.}
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 {.push debugger:off .} # the user does not want to trace a part
                        # of the standard library!
diff --git a/lib/pure/net.nim b/lib/pure/net.nim
index ccf02a1fc..ebb59ca6d 100644
--- a/lib/pure/net.nim
+++ b/lib/pure/net.nim
@@ -68,7 +68,7 @@
 ## ``newSocket()``. The difference is that the latter creates a new file
 ## descriptor.
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 import nativesockets, os, strutils, parseutils, times, sets, options
 export Port, `$`, `==`
 export Domain, SockType, Protocol
diff --git a/lib/pure/os.nim b/lib/pure/os.nim
index ddeee2c6b..11be8f0c1 100644
--- a/lib/pure/os.nim
+++ b/lib/pure/os.nim
@@ -10,7 +10,7 @@
 ## This module contains basic operating system facilities like
 ## retrieving environment variables, reading command line arguments,
 ## working with directories, running shell commands, etc.
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 {.push debugger: off.}
 
diff --git a/lib/pure/parseutils.nim b/lib/pure/parseutils.nim
index 57387e62e..cecc94e92 100644
--- a/lib/pure/parseutils.nim
+++ b/lib/pure/parseutils.nim
@@ -11,7 +11,7 @@
 ##
 ## To unpack raw bytes look at the `streams <streams.html>`_ module.
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 {.push debugger:off .} # the user does not want to trace a part
                        # of the standard library!
diff --git a/lib/pure/ropes.nim b/lib/pure/ropes.nim
index 6ddd61afa..24ba012e5 100644
--- a/lib/pure/ropes.nim
+++ b/lib/pure/ropes.nim
@@ -19,7 +19,7 @@
 include "system/inclrtl"
 import streams
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 {.push debugger:off .} # the user does not want to trace a part
                        # of the standard library!
diff --git a/lib/pure/strmisc.nim b/lib/pure/strmisc.nim
index 89ef2fcd2..d1ff920c9 100644
--- a/lib/pure/strmisc.nim
+++ b/lib/pure/strmisc.nim
@@ -12,7 +12,7 @@
 
 import strutils
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 proc expandTabs*(s: string, tabSize: int = 8): string {.noSideEffect,
   procvar.} =
diff --git a/lib/pure/strutils.nim b/lib/pure/strutils.nim
index 54fdcb4d0..849c16c34 100644
--- a/lib/pure/strutils.nim
+++ b/lib/pure/strutils.nim
@@ -17,7 +17,7 @@ import parseutils
 from math import pow, round, floor, log10
 from algorithm import reverse
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 {.push debugger:off .} # the user does not want to trace a part
                        # of the standard library!
diff --git a/lib/pure/unicode.nim b/lib/pure/unicode.nim
index 257c620f7..cc4d28f5b 100644
--- a/lib/pure/unicode.nim
+++ b/lib/pure/unicode.nim
@@ -9,7 +9,7 @@
 
 ## This module provides support to handle the Unicode UTF-8 encoding.
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 include "system/inclrtl"
 
diff --git a/lib/system.nim b/lib/system.nim
index 5e08dadc0..874b8c4d1 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -146,7 +146,7 @@ proc declared*(x: untyped): bool {.magic: "Defined", noSideEffect, compileTime.}
   ##     # missing it.
 
 when defined(useNimRtl):
-  {.deadCodeElim: on.}
+  {.deadCodeElim: on.}  # dce option deprecated
 
 proc definedInScope*(x: untyped): bool {.
   magic: "DefinedInScope", noSideEffect, deprecated, compileTime.}
diff --git a/lib/windows/winlean.nim b/lib/windows/winlean.nim
index 62bc38da9..7e22f98c7 100644
--- a/lib/windows/winlean.nim
+++ b/lib/windows/winlean.nim
@@ -10,7 +10,7 @@
 ## This module implements a small wrapper for some needed Win API procedures,
 ## so that the Nim compiler does not depend on the huge Windows module.
 
-{.deadCodeElim:on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 import dynlib
 
diff --git a/lib/wrappers/iup.nim b/lib/wrappers/iup.nim
index d910173ca..dee2e14c7 100644
--- a/lib/wrappers/iup.nim
+++ b/lib/wrappers/iup.nim
@@ -34,7 +34,7 @@
 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 # ****************************************************************************
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 when defined(windows):
   const dllname = "iup(|30|27|26|25|24).dll"
diff --git a/lib/wrappers/mysql.nim b/lib/wrappers/mysql.nim
index 4464eae50..06c663822 100644
--- a/lib/wrappers/mysql.nim
+++ b/lib/wrappers/mysql.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 {.push, callconv: cdecl.}
 
 when defined(Unix):
diff --git a/lib/wrappers/odbcsql.nim b/lib/wrappers/odbcsql.nim
index 1b2544ec0..43d1c504d 100644
--- a/lib/wrappers/odbcsql.nim
+++ b/lib/wrappers/odbcsql.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 when not defined(ODBCVER):
   const
diff --git a/lib/wrappers/openssl.nim b/lib/wrappers/openssl.nim
index 357343bff..86ae85369 100644
--- a/lib/wrappers/openssl.nim
+++ b/lib/wrappers/openssl.nim
@@ -22,7 +22,7 @@
 ##   ./bin/nim c -d:ssl -p:. -r tests/untestable/tssl.nim
 ##   ./bin/nim c -d:ssl -p:. --dynlibOverride:ssl --passL:-lcrypto --passL:-lssl -r tests/untestable/tssl.nim
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 const useWinVersion = defined(Windows) or defined(nimdoc)
 
diff --git a/lib/wrappers/pcre.nim b/lib/wrappers/pcre.nim
index 6c7088bbf..e9e11960c 100644
--- a/lib/wrappers/pcre.nim
+++ b/lib/wrappers/pcre.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 # The current PCRE version information.
 
diff --git a/lib/wrappers/postgres.nim b/lib/wrappers/postgres.nim
index f9a10dccb..7cb816f68 100644
--- a/lib/wrappers/postgres.nim
+++ b/lib/wrappers/postgres.nim
@@ -15,7 +15,7 @@
 # connection-protocol.
 #
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 
 when defined(windows):
   const
diff --git a/lib/wrappers/sqlite3.nim b/lib/wrappers/sqlite3.nim
index a12945832..0276a0a65 100644
--- a/lib/wrappers/sqlite3.nim
+++ b/lib/wrappers/sqlite3.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 when defined(windows):
   when defined(nimOldDlls):
     const Lib = "sqlite3.dll"