libgo: fix GOARCH_PHYSPAGESIZE for ia64

    
    From Andreas Schwab.
    
    Reviewed-on: https://go-review.googlesource.com/32537

From-SVN: r241757

gcc/go/gofrontend/MERGE

-069ed35ecbefd2f138ea3132a557ad23a6936a45
+150bca67d8bb4b23009f53ba06e85e306e3960d8
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

libgo/configure

@@ -13677,7 +13677,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     GOARCH=ia64
     GOARCH_FAMILY=IA64
     GOARCH_CACHELINESIZE=16384
-    GOARCH_PHYSPAGESIZE=8192
+    GOARCH_PHYSPAGESIZE=65536
     ;;
   m68k*-*-*)
     GOARCH=m68k

libgo/configure.ac

@@ -254,7 +254,7 @@ GOARCH_HUGEPAGESIZE="1 << 21"
     GOARCH=ia64
     GOARCH_FAMILY=IA64
     GOARCH_CACHELINESIZE=16384
-    GOARCH_PHYSPAGESIZE=8192
+    GOARCH_PHYSPAGESIZE=65536
     ;;
   m68k*-*-*)
     GOARCH=m68k