blah.diff

commit 9f39a706c009646a5876cf205c8b6c13b7445e28
Author: Chad Granum <[email protected]>
Date:   Sat Sep 26 22:40:04 2015 -0700

    Capabilities: detect bad 5.10.0 threads

diff --git a/lib/Test/Stream/Capabilities.pm b/lib/Test/Stream/Capabilities.pm
index 4e65ff9..27b8cae 100644
--- a/lib/Test/Stream/Capabilities.pm
+++ b/lib/Test/Stream/Capabilities.pm
@@ -46,6 +46,12 @@ sub CAN_THREAD {
     return 0 unless $] >= 5.008001;
     return 0 unless $Config{'useithreads'};
 
+    # Threads are broken on perl 5.10.0 built with gcc 5.8+
+    if ($] == 5.010000 && $Config{'ccname'} eq 'gcc' && $Config{'gccversion'}) {
+        my @parts = split /\./, $Config{'gccversion'};
+        return 0 if $parts[0] >= 4 && $parts[1] >= 8; 
+    }
+
     # Change to a version check if this ever changes
     return 0 if $INC{'Devel/Cover.pm'};
     return 1;

built with gcc 5.8+

4.8*

5.2 is the latest version AFAIK.