diff --git a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
index 61dcd0e17bd..406bbf40390 100644
--- a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
+++ b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
@@ -22,6 +22,7 @@ import java.util.EmptyStackException;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Stack;
+import java.util.function.Predicate;
 
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.ASTVisitor;
@@ -1659,22 +1660,23 @@ public class CodeFormatterVisitor extends ASTVisitor implements ICPPASTVisitor,
 	}
 
 	private boolean skipConstVolatileRestrict(boolean spaceBefore) {
-		boolean skipped = false;
-		int token = peekNextToken();
-		while (token == Token.t_const || token == Token.t_volatile || token == Token.t_restrict) {
-			scribe.printNextToken(token, spaceBefore);
-			token = peekNextToken();
-			skipped = true;
-		}
-		return skipped;
+		return skipTokenWhile(token -> token == Token.t_const || token == Token.t_volatile || token == Token.t_restrict,
+				spaceBefore);
 	}
 
 	private boolean skipMutableConstexpr() {
+		return skipTokenWhile(token -> token == Token.t_mutable || token == Token.t_constexpr, true);
+	}
+
+	private boolean skipTokenWhile(Predicate<Integer> pred, boolean spaceBefore) {
 		boolean skipped = false;
 		int token = peekNextToken();
-		while (token == Token.t_mutable || token == Token.t_constexpr) {
-			scribe.printNextToken(token, true);
+		while (pred.test(token)) {
+			scribe.printNextToken(token, spaceBefore);
 			token = peekNextToken();
+			if (!spaceBefore && pred.test(token)) {
+				scribe.space();
+			}
 			skipped = true;
 		}
 		return skipped;
diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
index 903653c03d5..c21ebb187c5 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
@@ -4337,4 +4337,24 @@ public class CodeFormatterTest extends BaseUITestCase {
 	public void testAssigmentWithInitList_Bug547684() throws Exception {
 		assertFormatterResult();
 	}
+
+	//void func(int *const volatile&p) {
+	//}
+
+	//void func(int *const volatile&p) {
+	//}
+	public void testConstVolatileParam_Bug548512() throws Exception {
+		assertFormatterResult();
+	}
+
+	//struct Foo {
+	//	int *const volatile&p;
+	//};
+
+	//struct Foo {
+	//	int *const volatile&p;
+	//};
+	public void testConstVolatileMember_Bug548512() throws Exception {
+		assertFormatterResult();
+	}
 }