[Bug target/15551] [3.4/3.5? Regression] -mtune=pentium4 -O2 with sjlj EH breaks stack probe worker on windows32 targets

[rth at gcc dot gnu dot org]

------- Additional Comments From rth at gcc dot gnu dot org  2004-06-19 19:18 -------
The revised patch isn't correct.  The two correct changes I can think of are
(1) the gen_blockage as already written, or (2) change the alloc_stack_worker
unspec to be an unspec_volatile.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15551