Inline wrappers earlier

This patch has a single significant change:

  strictness wrapper functions are inlined earlier,
  in phase 2 rather than phase 0.

As shown by Trac #15056, this gives a better chance for RULEs to fire.
Before this change, a function that would have inlined early without
strictness analyss was instead inlining late. Result: applying
"optimisation" made the program worse.

This does not make too much difference in nofib, but I've stumbled
over the problem more than once, so even a "no-change" result would be
quite acceptable.  Here are the headlines:

--------------------------------------------------------------------------------
        Program           Size    Allocs   Runtime   Elapsed  TotalMem
--------------------------------------------------------------------------------
      cacheprof          -0.5%     -0.5%     +2.5%     +2.5%      0.0%
         fulsom          -1.0%     +2.6%     -0.1%     -0.1%      0.0%
           mate          -0.6%     +2.4%     -0.9%     -0.9%      0.0%
        veritas          -0.7%    -23.2%     0.002     0.002      0.0%
--------------------------------------------------------------------------------
            Min          -1.4%    -23.2%    -12.5%    -15.3%      0.0%
            Max          +0.6%     +2.6%     +4.4%     +4.3%    +19.0%
 Geometric Mean          -0.7%     -0.2%     -1.4%     -1.7%     +0.2%

* A worthwhile reduction in binary size.

* Runtimes are not to be trusted much but look as if they
  are moving the right way.

* A really big win in veritas, described in comment:1 of
  Trac #15056; more fusion rules fired.

* I investigated the losses in 'mate' and 'fulsom'; see #15056.

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