[PATCH] PR tree-optimization/100774- Range invariant global values are also always current.
Tue Jun 1 01:32:06 GMT 2021
When a range evolves to the point where it becomes a constant, it is
marked as invariant. Rather than marking it as always_current in the
timestamp, give it the correct timestamp and just never flag it as
stale. This will allow other names which use this value to become stale
and be recomputed using the newly invariant value.
Furthermore, any range which has evolved to a constant should also be
Bootstrapped on x86_64-pc-linux-gnu, with no new regressions. This picks
up a couple of cases we had started missing. pushed.
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