Final graph reshape uses subsume_by() + disconnect_inputs(). That could leave dead nodes in which need to be removed. See:
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2018-September/030622.html
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2018-September/030622.html
- relates to
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JDK-8210389 C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc
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- Resolved
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- links to
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Review(master)
openjdk/jdk/24175