lto: Fix build on MacOS

The build fails on x86_64-apple-darwin19.6.0 starting with 5b6d5a886ee because
vector is included after system.h and runs into poisoned identifiers.

This patch fixes this by defining INCLUDE_VECTOR before including system.h.

Validated by doing a full build on x86_64-apple-darwin19.6.0.

gcc/lto/ChangeLog:

	* lto-partition.cc: Define INCLUDE_VECTOR to avoid running into
	poisoned identifiers.

diff --git a/gcc/lto/lto-partition.cc b/gcc/lto/lto-partition.cc
index 44b457d0b2a823457b35253fe0c49d59bfffe10a..2238650fa0eb039c64b8bc11b0dcae79e6a36c95 100644 (file)
--- a/gcc/lto/lto-partition.cc
+++ b/gcc/lto/lto-partition.cc
@@ -18,6 +18,7 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 #include "config.h"
+#define INCLUDE_VECTOR
 #include "system.h"
 #include "coretypes.h"
 #include "target.h"
@@ -38,7 +39,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "lto-partition.h"
 
 #include <limits>
-#include <vector>
 
 vec<ltrans_partition> ltrans_partitions;