[testsuite] backport infrastructure to 3.4, checked in

[Kaveh R. Ghazi]

 > Now I get this:
 > 
 > ERROR: src: can't read "dg-do-what": no such variable for "dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > UNRESOLVED: /home/ghazi/tmpdisk/gcc-testing/34/egcc-3.4-SVN20051220/gcc/testsuite/gcc.dg/compat/vector-1_x.c:
 > can't read "dg-do-what": no such variable for " dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > ERROR: src: can't read "dg-do-what": no such variable for "dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > UNRESOLVED: /home/ghazi/tmpdisk/gcc-testing/34/egcc-3.4-SVN20051220/gcc/testsuite/gcc.dg/compat/vector-1_y.c:
 > can't read "dg-do-what": no such variable for " dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > FAIL: gcc.dg/compat/vector-1 c_compat_x_tst.o compile
 > FAIL: gcc.dg/compat/vector-1 c_compat_y_tst.o compile
 > ERROR: src: can't read "dg-do-what": no such variable for "dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > UNRESOLVED: /home/ghazi/tmpdisk/gcc-testing/34/egcc-3.4-SVN20051220/gcc/testsuite/gcc.dg/compat/vector-2_x.c:
 > can't read "dg-do-what": no such variable for " dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > ERROR: src: can't read "dg-do-what": no such variable for "dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > UNRESOLVED: /home/ghazi/tmpdisk/gcc-testing/34/egcc-3.4-SVN20051220/gcc/testsuite/gcc.dg/compat/vector-2_y.c:
 > can't read "dg-do-what": no such variable for " dg-xfail-if 2 "PR target/12916" "sparc*-*-*" "*" "" "
 > FAIL: gcc.dg/compat/vector-2 c_compat_x_tst.o compile
 > FAIL: gcc.dg/compat/vector-2 c_compat_y_tst.o compile

Here's some testsuite results that show the ERROR:
http://gcc.gnu.org/ml/gcc-testresults/2005-12/msg01128.html
http://gcc.gnu.org/ml/gcc-testresults/2005-12/msg01150.html

--
Kaveh R. Ghazi			ghazi@caip.rutgers.edu