JDK-7140882 : Don't return booleans from methods returning pointers
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: hs23
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2012-01-30
  • Updated: 2012-10-08
  • Resolved: 2012-02-04
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JDK 7 JDK 8 Other
7u4Fixed 8Fixed OpenJDK6,hs23Fixed
The methods constantPoolOopDesc::method_at_if_loaded() and  CountedLoopNode::match_incr_with_optional_truncation() both have "return false" statements even though their actual return values are pointers (methodOop and Node*).

This is wrong and it will cause builds to fail with GCC 4.7.

EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/f457154eee8b

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/f457154eee8b

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/f457154eee8b

EVALUATION Change "return false" to "return NULL". Patch provided by Deepak Bhole.