new gensym handling (#11985)

* new .gensym implementation
* make astspec test green again
* introduce a --useVersion switch to group compatibility switches
* fixes #10180
* fixes #11494 
* fixes #11483
* object constructor fields and named parameters are also not gensym'ed
* disabled broken package
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Andreas Rumpf 2019-08-23 16:15:02 +02:00 • committed by GitHub
commit b07694cd90
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18 changed files with 346 additions and 114 deletions

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@ -122,7 +122,7 @@ Advanced options:
enable experimental language feature
--legacy:$2
enable obsolete/legacy language feature
legacy code.
--useVersion:0.19|1.0 emulate Nim version X of the Nim compiler
--newruntime use an alternative runtime that uses destructors
and that uses a shared heap via -d:useMalloc
--profiler:on|off enable profiling; requires `import nimprof`, and