libgo patch committed: Use <stdbool.h> in runtime/runtime.h

[Ian Lance Taylor <iant@golang.org>]

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This libgo patch changes runtime/runtime.h to use the C99 <stdbool.h>
header file rather than defining a bool type and true/false constants
itself.  C99 was a long time ago and in case this file is always
compiled by the newly built GCC.  This should fix GCC PR 114875.
Bootstrapped on x86_64-pc-linux-gnu.  Committed to mainline.

Ian

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ef246d48fd487805f1c4181c7482545c54a4d4a9
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 50d430d5034..8a2810d5b2d 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-98e92493db2ab7857a5934a950a830fc1f95a4e5
+1f0c8364cd35026a647aa4e66ee4d8563c8a5d27
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/libgo/runtime/runtime.h b/libgo/runtime/runtime.h
index 699770d53ad..da31e11bb77 100644
--- a/libgo/runtime/runtime.h
+++ b/libgo/runtime/runtime.h
@@ -7,6 +7,7 @@
 #include "go-assert.h"
 #include <complex.h>
 #include <signal.h>
+#include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -51,7 +52,6 @@ typedef uintptr		uintreg;
 
 /* Defined types.  */
 
-typedef	_Bool			bool;
 typedef	uint8			byte;
 typedef	struct	g		G;
 typedef	struct	mutex		Lock;
@@ -114,11 +114,6 @@ extern M*	runtime_m(void);
 extern G*	runtime_g(void)
   __asm__(GOSYM_PREFIX "runtime.getg");
 
-enum
-{
-	true	= 1,
-	false	= 0,
-};
 enum
 {
 	PtrSize = sizeof(void*),