jdk8-mips64-public/hotspot: changeset 8771:0e17cbcda516

8180576: Null pointer dereference in Matcher::xform()
Summary: Fixed a missing null check on n->in(0) found by Parfait.
Reviewed-by: kvn

     1.1 --- a/src/share/vm/opto/matcher.cpp	Mon May 22 09:17:32 2017 +0200
     1.2 +++ b/src/share/vm/opto/matcher.cpp	Mon May 22 09:18:12 2017 +0200
     1.3 @@ -1020,7 +1020,7 @@
     1.4              if (C->failing())  return NULL;
     1.5              if (m == NULL) { Matcher::soft_match_failure(); return NULL; }
     1.6            } else {                  // Nothing the matcher cares about
     1.7 -            if( n->is_Proj() && n->in(0)->is_Multi()) {       // Projections?
     1.8 +            if (n->is_Proj() && n->in(0) != NULL && n->in(0)->is_Multi()) {       // Projections?
     1.9                // Convert to machine-dependent projection
    1.10                m = n->in(0)->as_Multi()->match( n->as_Proj(), this );
    1.11  #ifdef ASSERT

Mercurial > jdk8-mips64-public > hotspot / changeset

changeset

8180576: Null pointer dereference in Matcher::xform()