Mercurial > jdk8-mips64-public > hotspot / changeset
changeset
8180511: Null pointer dereference in Matcher::ReduceInst()
Mon, 22 May 2017 09:17:32 +0200
- author
- thartmann
- date
- Mon, 22 May 2017 09:17:32 +0200
- changeset 8770
- 241128a2c3ce
- parent 8769
- cef572e3f5a6
- child 8771
- 0e17cbcda516
8180511: Null pointer dereference in Matcher::ReduceInst()
Summary: Fixed a missing null check on the return value of MachNodeGenerator() found by Parfait.
Reviewed-by: kvn
| src/share/vm/opto/matcher.cpp | file | annotate | diff | comparison | revisions |
1.1 --- a/src/share/vm/opto/matcher.cpp Mon May 22 09:16:46 2017 +0200 1.2 +++ b/src/share/vm/opto/matcher.cpp Mon May 22 09:17:32 2017 +0200 1.3 @@ -1657,6 +1657,7 @@ 1.4 1.5 // Build the object to represent this state & prepare for recursive calls 1.6 MachNode *mach = s->MachNodeGenerator( rule, C ); 1.7 + guarantee(mach != NULL, "Missing MachNode"); 1.8 mach->_opnds[0] = s->MachOperGenerator( _reduceOp[rule], C ); 1.9 assert( mach->_opnds[0] != NULL, "Missing result operand" ); 1.10 Node *leaf = s->_leaf;
