diff -r efdbe9b904ad -r f96fcd9e1e1b src/share/vm/gc_implementation/g1/g1HRPrinter.cpp
--- a/src/share/vm/gc_implementation/g1/g1HRPrinter.cpp	Tue Feb 23 18:58:36 2016 -0500
+++ b/src/share/vm/gc_implementation/g1/g1HRPrinter.cpp	Thu Jun 14 09:15:08 2018 -0700
@@ -84,18 +84,18 @@
 
   if (type_str != NULL) {
     if (top != NULL) {
-      gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT" "PTR_FORMAT,
+      gclog_or_tty->print_cr(G1HR_PREFIX " %s(%s) " PTR_FORMAT " " PTR_FORMAT,
                              action_str, type_str, bottom, top);
     } else {
-      gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT,
+      gclog_or_tty->print_cr(G1HR_PREFIX " %s(%s) " PTR_FORMAT,
                              action_str, type_str, bottom);
     }
   } else {
     if (top != NULL) {
-      gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT" "PTR_FORMAT,
+      gclog_or_tty->print_cr(G1HR_PREFIX " %s " PTR_FORMAT " " PTR_FORMAT,
                              action_str, bottom, top);
     } else {
-      gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT,
+      gclog_or_tty->print_cr(G1HR_PREFIX " %s " PTR_FORMAT,
                              action_str, bottom);
     }
   }
@@ -104,11 +104,11 @@
 void G1HRPrinter::print(ActionType action, HeapWord* bottom, HeapWord* end) {
   const char* action_str = action_name(action);
 
-  gclog_or_tty->print_cr(G1HR_PREFIX" %s ["PTR_FORMAT","PTR_FORMAT"]",
+  gclog_or_tty->print_cr(G1HR_PREFIX " %s [" PTR_FORMAT "," PTR_FORMAT "]",
                          action_str, bottom, end);
 }
 
 void G1HRPrinter::print(PhaseType phase, size_t phase_num) {
   const char* phase_str = phase_name(phase);
-  gclog_or_tty->print_cr(G1HR_PREFIX" #%s "SIZE_FORMAT, phase_str, phase_num);
+  gclog_or_tty->print_cr(G1HR_PREFIX " #%s " SIZE_FORMAT, phase_str, phase_num);
 }