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Add support for including GNU Gold linker's section ordering

Rodrigo Muino Tomonari requested to merge github/fork/sathvikl/add_gold_linker into master

GNU Gold linker will be auto-detected on Linux systems. If available the pre-generated section ordering file will be used while linking the node binary. The most frequently used functions in the node+deps runtime will be packed together as the gold linker will re-order the text sections based on the input. This will help improve performance of production workloads through reduction of iTLB misses.

The benchmark used for training is nodejs-ghost-bench https://github.com/sathvikl/ghostjs-benchmark

Checklist
  • [ x ] make -j4 test (UNIX), or vcbuild test (Windows) passes
  • [ x ] tests and/or benchmarks are included
  • documentation is changed or added
  • [x ] commit message follows commit guidelines
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