v8: fix 4.5.107 build

Similar to #14272, but fixes 4.5 build rather than generic.
- Ignores errors due to strict-overflow warnings
- Strips clang-only '-Wno-format-pedantic' flag out since this build
  uses gcc

pkgs/development/libraries/v8/4.5.nix

@@ -83,6 +83,7 @@ stdenv.mkDerivation rec {
     sed -i 's,#!/usr/bin/env python,#!${python}/bin/python,' build/gyp_v8
     sed -i 's,/bin/echo,${coreutils}/bin/echo,' build/standalone.gypi
     sed -i '/CR_CLANG_REVISION/ d' build/standalone.gypi
+    sed -i 's/-Wno-format-pedantic//g' build/standalone.gypi
   '';
 
   configurePhase = ''
@@ -104,6 +105,8 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ which ];
   buildInputs = [ readline python icu patchelf ];
 
+  NIX_CFLAGS_COMPILE = "-Wno-error=strict-overflow";
+
   buildFlags = [
     "LINK=g++"
     "-C out"
@@ -135,7 +138,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Google's open source JavaScript engine";
-    maintainers = with maintainers; [ cstrahan ];
+    maintainers = with maintainers; [ cstrahan proglodyte ];
     platforms = platforms.linux;
     license = licenses.bsd3;
   };