[M3devel] gcc/eh/setjmp

[Jay]

Folks, try adding -Wunreachable-code to your m3back options and tell me if you don't get loads of warnings.
for stuff like:
 
TRY
   return Foo();
ELSE
   return FALSE;
 
I get them on NT386GNU and PPC_DARWIN.
 
Functions with TRY need, in gcc parlance:
 calls_setjmp
 
and the exception/finally blocks need:
 has_nonlocal_label
 
and functions with RAISE might need:
 has_nonlocal_goto
 
Luckily, gcc doesn't seem to act on what it figure out.
 
 - Jay
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