[Bug jit/63969] gccjit segfaults when it can't locate the correct gcc driver program

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63969

--- Comment #7 from dmalcolm at gcc dot gnu.org ---
Author: dmalcolm
Date: Mon Dec  1 15:58:11 2014
New Revision: 218226

URL: https://gcc.gnu.org/viewcvs?rev=218226&root=gcc&view=rev
Log:
PR jit/63969: Fix segfault in error-handling when driver isn't found

gcc/jit/ChangeLog:
    PR jit/63969
    * jit-playback.c: Ensure that ctxt_progname is non-NULL.

gcc/testsuite/ChangeLog:
    PR jit/63969
    * jit.dg/harness.h (CHECK_STRING_STARTS_WITH): New.
    (check_string_starts_with): New.
    * jit.dg/test-error-pr63969-missing-driver.c: New.

Added:
    trunk/gcc/testsuite/jit.dg/test-error-pr63969-missing-driver.c
Modified:
    trunk/gcc/jit/ChangeLog
    trunk/gcc/jit/jit-playback.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/jit.dg/harness.h