Austin Clements 36ca5fde68 Implement labels, goto, labeled break, and labeled continue. ... Return checking is now done as a general flow check at the end of function compilation, since break and goto complicated the way I was doing return checking before. Goto-over-declaration checking is also done as a final flow check. Temporary variables used for effect extraction are now actually temporary. Otherwise "op=", "++", and "--" appear as declarations that cannot be jumped over. R=rsc APPROVED=rsc DELTA=421 (344 added, 38 deleted, 39 changed) OCL=32527 CL=32535		2009-07-30 14:39:27 -07:00
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eval	Implement labels, goto, labeled break, and labeled continue.	2009-07-30 14:39:27 -07:00
ptrace	Fix handling of non-waitable zombie threads. Now they are not	2009-07-16 09:48:37 -07:00