Description of problem:
The RHEL6.1 candidate systemtap packages has 1 FAIL in
systemtap.printf/ring_buffer.exp testcase, while the 6.0.z systemtap has 3 PASSes 
here. This happens on i686 and ppc64, unknown on s390x and
x86_64

Version-Release number of selected component (if applicable):
Environment:
kernel-2.6.32-122.el6
elfutils-0.152-1.el6
systemtap-testsuite-1.4-4.el6

Systemtap:
systemtap-1.2-11.el6_0 PASS
systemtap-1.4-4 FAIL

How reproducible:
always

Steps to Reproduce:
1. cd /usr/share/systemtap/testsuite/
2. make RUNTESTFLAGS=systemtap.printf/ring_buffer.exp installcheck
3.

Actual results:
FAIL

Expected results:
PASS

Additional info:
systemtap.sum:
 Running /usr/share/systemtap/testsuite/systemtap.printf/ring_buffer.exp ...
-PASS: RING_BUFFER startup
-PASS: RING_BUFFER load generation
-PASS: RING_BUFFER shutdown and output
+FAIL: RING_BUFFER startup (eof)

systemtap.log:
(...)
c1: warnings being treated as errors
In file included from /usr/share/systemtap/runtime/transport/transport.c:56,
                 from /usr/share/systemtap/runtime/print.c:18,
                 from /usr/share/systemtap/runtime/runtime.h:128,
                 from /tmp/stapNjhTNd/stap_4abb5360eae0ad98e937252168afa34a_884.c:55:
/usr/share/systemtap/runtime/transport/ring_buffer.c:65: error: missing braces around initializer
/usr/share/systemtap/runtime/transport/ring_buffer.c:65: error: (near initialization for ‘_stp_relay_data.transport_state’)
make[3]: *** [/tmp/stapNjhTNd/stap_4abb5360eae0ad98e937252168afa34a_884.o] Error 1