https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=3b21c21f3f5726823e19728fdd1571a14aae0fb3
https://gcc.gnu.org/PR106102
--- a/gcc/cp/mapper-client.cc
+++ b/gcc/cp/mapper-client.cc
@@ -27,6 +27,7 @@ along with GCC; see the file COPYING3.  If not see
 #define INCLUDE_STRING
 #define INCLUDE_VECTOR
 #define INCLUDE_MAP
+#define INCLUDE_MEMORY
 #include "system.h"
 
 #include "line-map.h"
--- a/gcc/cp/mapper-resolver.cc
+++ b/gcc/cp/mapper-resolver.cc
@@ -25,6 +25,7 @@ along with GCC; see the file COPYING3.  If not see
 #define INCLUDE_VECTOR
 #define INCLUDE_ALGORITHM
 #define INCLUDE_MAP
+#define INCLUDE_MEMORY
 #include "system.h"
 
 // We don't want or need to be aware of networking
--- a/gcc/cp/module.cc
+++ b/gcc/cp/module.cc
@@ -206,6 +206,7 @@ Classes used:
 
 #define _DEFAULT_SOURCE 1 /* To get TZ field of struct tm, if available.  */
 #include "config.h"
+#define INCLUDE_MEMORY
 #define INCLUDE_STRING
 #define INCLUDE_VECTOR
 #include "system.h"
--- a/libcc1/libcc1plugin.cc
+++ b/libcc1/libcc1plugin.cc
@@ -31,6 +31,7 @@
 #undef PACKAGE_TARNAME
 #undef PACKAGE_VERSION
 
+#define INCLUDE_MEMORY
 #include "gcc-plugin.h"
 #include "system.h"
 #include "coretypes.h"
--- a/libcc1/libcp1plugin.cc
+++ b/libcc1/libcp1plugin.cc
@@ -32,6 +32,7 @@
 #undef PACKAGE_TARNAME
 #undef PACKAGE_VERSION
 
+#define INCLUDE_MEMORY
 #include "gcc-plugin.h"
 #include "system.h"
 #include "coretypes.h"