JDK-8147386 : assert(size == calc_size) failed: incorrect size calculattion x86_32.ad
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 9
  • Priority: P2
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: x86
  • Submitted: 2016-01-14
  • Updated: 2016-02-11
  • Resolved: 2016-01-21
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JDK 9
9 b105Fixed
Related Reports
Relates :  
JDK-8146999 - hotspot/test/compiler/c2/8007294/Test8007294.java test nightly failure
Description
# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (/opt/jprt/T/P1/205058.cthaling/s/hotspot/src/cpu/x86/vm/x86_32.ad:1023), pid=26543, tid=26614
#  assert(size == calc_size) failed: incorrect size calculattion
Comments
Regarding lack of test case: requires spill of vector registers to happen, hard to trigger from a simple test case.
26-01-2016
asserts come from vec_stack_to_stack_helper() in x86_32.ad.
20-01-2016
a fix for size calculation failure came in JDK-8146999, but it seems fix is not complete.
14-01-2016