1  /* PR jit/63969: libgccjit would segfault inside gcc_jit_context_compile
       2     if the driver wasn't found on PATH if GCC_JIT_STR_OPTION_PROGNAME was
       3     NULL.  */
       4  
       5  #include <stdlib.h>
       6  #include <stdio.h>
       7  
       8  #include "libgccjit.h"
       9  
      10  #include "harness.h"
      11  
      12  void
      13  create_code (gcc_jit_context *ctxt, void *user_data)
      14  {
      15    /* Create nothing within the context.  */
      16  
      17    /* harness.h's set_options has set a sane value for
      18       GCC_JIT_STR_OPTION_PROGNAME, but PR jit/63969 only segfaulted if it's
      19       NULL.
      20  
      21       Unset it.  */
      22    gcc_jit_context_set_str_option (ctxt, GCC_JIT_STR_OPTION_PROGNAME, NULL);
      23  
      24    /* By default, we use an embedded copy of the driver.
      25       Opt-in to using an external copy of the driver.  */
      26    gcc_jit_context_set_bool_use_external_driver (ctxt, 1);
      27  
      28    /* Break PATH, so that the driver can't be found
      29       by gcc::jit::playback::context::compile ()
      30       within gcc_jit_context_compile.  */
      31    unsetenv ("PATH");
      32  }
      33  
      34  void
      35  verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
      36  {
      37    CHECK_VALUE (result, NULL);
      38  
      39    /* Verify that a sane error message was emitted.  */
      40    CHECK_STRING_STARTS_WITH (gcc_jit_context_get_first_error (ctxt),
      41  			    "error invoking gcc driver");
      42  }