[M3devel] alloca(jmpbuf) vs. alloca(jmpbuf + frame)?

[Jay K]

I considered that I could lump the jmpbuf alloca in with its enclosing frame -- one slightly larger alloca,and the same amount of overall stack, minus the pointer or two per jmpbuf in the current scheme.

That would preclude the need for m3core change, which I'm sure will cause trouble,but is meant to be an ok thing to do.

However, that isn't perhaps as amenable to my next desired step in the C backend wrt jmp_buf.Though, I guess, I could have it both ways -- the compiler and runtime could share a flagand the frame be altered.

Thoughts?
 - Jay 		 	   		  
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