Handle -fdiagnostics-color in lto

2016-02-09  Tom de Vries  <tom@codesourcery.com>

	PR lto/69707
	* lto-wrapper.c (append_diag_options): New function.
	(compile_offload_image): Call append_diag_options.

	* testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c: New test.

From-SVN: r233237

gcc/ChangeLog

+2016-02-09  Tom de Vries  <tom@codesourcery.com>
+
+	PR lto/69707
+	* lto-wrapper.c (append_diag_options): New function.
+	(compile_offload_image): Call append_diag_options.
+
 2016-02-08  Sandra Loosemore <sandra@codesourcery.com>
 
 	PR other/69722

gcc/lto-wrapper.c

@@ -540,6 +540,36 @@ append_compiler_options (obstack *argv_obstack, struct cl_decoded_option *opts,
     }
 }
 
+/* Append diag options in OPTS with length COUNT to ARGV_OBSTACK.  */
+
+static void
+append_diag_options (obstack *argv_obstack, struct cl_decoded_option *opts,
+		     unsigned int count)
+{
+  /* Append compiler driver arguments as far as they were merged.  */
+  for (unsigned int j = 1; j < count; ++j)
+    {
+      struct cl_decoded_option *option = &opts[j];
+
+      switch (option->opt_index)
+	{
+	case OPT_fdiagnostics_color_:
+	case OPT_fdiagnostics_show_caret:
+	case OPT_fdiagnostics_show_option:
+	case OPT_fdiagnostics_show_location_:
+	case OPT_fshow_column:
+	  break;
+	default:
+	  continue;
+	}
+
+      /* Pass the option on.  */
+      for (unsigned int i = 0; i < option->canonical_option_num_elements; ++i)
+	obstack_ptr_grow (argv_obstack, option->canonical_option[i]);
+    }
+}
+
+
 /* Append linker options OPTS to ARGV_OBSTACK.  */
 
 static void
@@ -721,6 +751,7 @@ compile_offload_image (const char *target, const char *compiler_path,
       /* Append options from offload_lto sections.  */
       append_compiler_options (&argv_obstack, compiler_opts,
 			       compiler_opt_count);
+      append_diag_options (&argv_obstack, linker_opts, linker_opt_count);
 
       /* Append options specified by -foffload last.  In case of conflicting
 	 options we expect offload compiler to choose the latest.  */

libgomp/ChangeLog

+2016-02-09  Tom de Vries  <tom@codesourcery.com>
+
+	PR lto/69707
+	* testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c: New test.
+
 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
 
 	* testsuite/libgomp.c/target-31.c: Fix testcase.

libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c

+/* { dg-do run { target { openacc_nvidia_accel_selected && lto } } } */
+/* { dg-additional-options "-flto -fno-use-linker-plugin" } */
+
+/* Worker and vector size checks.  Picked an outrageously large
+   value.  */
+
+int main ()
+{
+#pragma acc parallel num_workers (2<<20) /* { dg-error "using num_workers" } */
+  {
+  }
+
+#pragma acc parallel vector_length (2<<20) /* { dg-error "using vector_length" } */
+  {
+  }
+
+  return 0;
+}
+