[Bug rtl-optimization/57518] [4.8 Regression] Redundant insn generated in LRA

[hp at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57518

Hans-Peter Nilsson <hp at gcc dot gnu.org> changed:

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                 CC|                            |hp at gcc dot gnu.org

--- Comment #8 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
Why is the test-case gcc.dg/pr57518.c valid?
It just checks that a REG_EQUIV is not attached, but from the analysis it seems
the need is to check the related register against some condition; the note
seems valid.  Or maybe the test-case should be made machine-specific.