Try to handle hitting the heap/data limit in small systems.

(One can simulate this with e.g. 32MB or 64MB datasize,
use your shell's ulimit/limit/limits command.)

p4raw-id: //depot/perl@18914

diff --git a/t/op/recurse.t b/t/op/recurse.t
index 9d00640..af87512 100755 (executable)
--- a/t/op/recurse.t
+++ b/t/op/recurse.t
@@ -113,8 +113,19 @@ is(takeuchi($x, $y, $z), $z + 1, "takeuchi($x, $y, $z) == $z + 1");
 }
 
 # check ok for recursion depth > 65536
-is(runperl(
-       nolib => 1,
-       prog => q{$d=0; $e=1; sub c { ++$d; if ($d > 66000) { $e=0 } else { c(); c() unless $d % 32768 } --$d } c(); exit $e},
-), '', "64K deep recursion - no output expected");
-is($?, 0, "64K deep recursion - no coredump expected");
+{
+    my $r;
+    eval { 
+       $r = runperl(
+                    nolib => 1,
+                    stderr => 1,
+                    prog => q{$d=0; $e=1; sub c { ++$d; if ($d > 66000) { $e=0 } else { c(); c() unless $d % 32768 } --$d } c(); exit $e});
+    };
+  SKIP: {
+      skip("Out of memory -- increase your data/heap?", 2)
+         if $r =~ /Out of memory!/;
+      is($r, '', "64K deep recursion - no output expected");
+      is($?,  0, "64K deep recursion - no coredump expected");
+  }
+}
+