[Bug debug/38101] New: dbxout_expand_expr() doesn't check return value of DECL_VALUE_EXPR()

[d dot g dot gorbachev at gmail dot com]

tree.c:

tree
decl_value_expr_lookup (tree from)
{
  ...
  return NULL_TREE;
}

tree.h:

#define DECL_VALUE_EXPR(NODE) \
  (decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))

dbxout.c:

static rtx
dbxout_expand_expr (tree expr)
{
  switch (TREE_CODE (expr))
  ...
    case PARM_DECL:
      if (DECL_HAS_VALUE_EXPR_P (expr))
        return dbxout_expand_expr (DECL_VALUE_EXPR (expr));
  ...
}


-- 
           Summary: dbxout_expand_expr() doesn't check return value of
                    DECL_VALUE_EXPR()
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: d dot g dot gorbachev at gmail dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i386-pc-mingw32


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38101