JDK-7192964 : assert(false) failed: bad AD file
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs24
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2012-08-21
  • Updated: 2013-07-31
  • Resolved: 2012-08-27
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JDK 7 JDK 8 Other
7u40Resolved 8Fixed hs24Fixed
Related Reports
Relates :  
JDK-7192963 - assert(_in[req-1] == this) failed: Must pass arg count to 'new'
Relates :  
JDK-6340864 - Implement vectorization optimizations in hotspot-server
Description
Regression after 6340864 changes:

# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (/tmp/jprt/P1/170446.vkozlov/s/src/share/vm/opto/matcher.cpp:1565), pid=11997, tid=139795910969088
#  assert(false) failed: bad AD file
#
Comments
The fix was integrated in first HS24-based build of JDK 7. The initial issue was caused by changes in the same build it was fixed in, so there is no way to reproduce it in any promoted build of JDK 8. Closed as not verified (setup not available).
31-07-2013
EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/4b0d6fd74911
22-08-2012
EVALUATION We should not vectorize shifts with count which loop's variant: for(int i; i < L; i++) { a[i] = 1<<b[i]; }
21-08-2012