[Bug libgomp/83589] [nvptx] mode-transitions.c and private-variables.{c,f90} execution FAILs at GOMP_NVPTX_JIT=-O0

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83589

--- Comment #7 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #6)
> (In reply to Tom de Vries from comment #4)
> > Using this rudimentary workaround, I got the failing tests of this PR
> > passing again:

> Shouldn't it be sufficient to emit this only for JUMP_Ps that jump to
> immediately following LABEL_Ps (without intervening non-note insns)?

The emitted code actually looks like:
...
@ %r36 bra $L5;
// join x;
// fork x;
$L5:
...
so we'll have to skip over this pattern as well (given that the join are fork
are individual insns) .

But indeed, this is a rudimentary workaround, not a minimal one.