git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15002
338878 on MacOS: assertion 'VG_IS_PAGE_ALIGNED(clstack_end+1)' failed
338932 build V-trunk with gcc-trunk
338974 glibc 2.20 changed size of struct sigaction sa_flags field on s390
+345079 Fix build problems in VEX/useful/test_main.c
n-i-bz Fix KVM_CREATE_IRQCHIP ioctl handling
n-i-bz s390x: Fix memory corruption for multithreaded applications
n-i-bz vex arm->IR: allow PC as basereg in some LDRD cases