gcc.c (n_switches_alloc, [...]): New.

	* gcc.c (n_switches_alloc, n_infiles_alloc, alloc_infile,
	add_infile, alloc_switch): New.
	(process_command): Remove variable lang_n_infiles.  Process
	options in a single pass.  Use new functions for allocating
	infiles and switches arrays.  Properly skip operands of
	-Xpreprocessor and -Xassembler.

testsuite:
	* gcc.dg/opts-3.c: New test.

From-SVN: r161430

gcc/ChangeLog

+2010-06-26  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc.c (n_switches_alloc, n_infiles_alloc, alloc_infile,
+	add_infile, alloc_switch): New.
+	(process_command): Remove variable lang_n_infiles.  Process
+	options in a single pass.  Use new functions for allocating
+	infiles and switches arrays.  Properly skip operands of
+	-Xpreprocessor and -Xassembler.
+
 2010-06-26  Jan Hubicka  <jh@suse.cz>
 
 	PR middle-end/44671

gcc/testsuite/ChangeLog

+2010-06-26  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc.dg/opts-3.c: New test.
+
 2010-06-26  Tobias Burnus  <burnus@net-b.de>
 
 	* gfortran.dg/type_decl_1.f90: New.

gcc/testsuite/gcc.dg/opts-3.c

+/* Parameters of -Xassembler should not be interpreted as driver
+   options (and so cause the driver to exit prematurely, as in this
+   testcase, or have other unintended effects).  */
+/* { dg-do compile } */
+/* { dg-options "-Xassembler -dumpmachine" } */
+
+int int x; /* { dg-error "two or more data types" } */