add arc and orc to gc list (#14653)

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Andy Davidoff 2020-06-14 05:12:08 -04:00 • committed by GitHub
commit 4e3edf5836
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@ -113,7 +113,7 @@ Advanced options:
--skipUserCfg:on|off do not read the user's configuration file
--skipParentCfg:on|off do not read the parent dirs' configuration files
--skipProjCfg:on|off do not read the project's configuration file
--gc:refc|markAndSweep|boehm|go|none|regions
--gc:refc|arc|orc|markAndSweep|boehm|go|none|regions
select the GC to use; default is 'refc'
--exceptions:setjmp|cpp|goto|quirky
select the exception handling implementation