[Bug bootstrap/54688] [4.8 regression] violation of implicit restriction "No_Elaboration_Code" on a-ioexce.ads

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54688

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-09-26 13:37:25 UTC ---
> I admit I don't quite see yet why this would be invalid (assuming that the
> stack grows from high address to low ones). What do you mean by "the frame is
> destroyed", is there something special about sparc?

We go from

  g1 <- [sp+80]
  sp <- sp + 88

to

  sp <- sp + 88
  g1 <- [sp + 168]

so there is a double issue: the frame is destroyed after the %sp bump and the
new offset is bogus (it should be -8).  And the REG_EQUIV note isn't updated.