Failing typeflow responsibility assertions

[John Rose]

On May 22, 2008, at 2:17 AM, Gary Benson wrote:

> So the 'assert(will_link, "typeflow responsibility")' bits aren't
> being hit because the typeflow pass bails out?  (ie env()->failing()
> returns true?)  Will the compile broker retry the compilation later?

No, typeflow ends such a block with a "trap".  (If we bailed out on  
every unloaded class, we'd almost never compile anything.)  A trap is  
like a branch to the interpreter (deopt).  The parser is responsible  
for respecting those trap markings.  A basic block that ends in a  
trap never gets (in compiled code) to the branch or return that ends  
the basic block in the bytecodes.

-- John
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