hg: jdk/jdk12: 8217230: assert(t == t_no_spec) failure in NodeHash::check_no_speculative_types()

[tobias.hartmann at oracle.com]

Changeset: 1b292ae4eb50
Author:    thartmann
Date:      2019-01-22 18:25 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk12/rev/1b292ae4eb50

8217230: assert(t == t_no_spec) failure in NodeHash::check_no_speculative_types()
Summary: Remove dead node from C2 IR.
Reviewed-by: roland, neliasso

! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/compile.hpp