Fixed https://bugs.eclipse.org/bugs/show_bug.cgi?id=64268

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/CompleteParseASTTest.java

@@ -1919,4 +1919,17 @@ public class CompleteParseASTTest extends CompleteParseBaseTest
 	{
     	parse( "class Sample;\nstruct Sample { /* ... */ };" ); //$NON-NLS-1$
 	}
+    
+    public void testBug64268() throws Exception
+	{
+    	Writer writer = new StringWriter();
+		writer.write("#define BODY \\\n"); //$NON-NLS-1$
+		writer.write("for (;;) {	 \\\n"); //$NON-NLS-1$
+		writer.write("/* this multi-line comment messes \\\n"); //$NON-NLS-1$
+		writer.write("up the parser.  */ }\n"); //$NON-NLS-1$
+		writer.write("	void abc() {\n"); //$NON-NLS-1$
+		writer.write("BODY\n"); //$NON-NLS-1$
+		writer.write("}\n"); //$NON-NLS-1$
+		parse( writer.toString() );
+	}
 }

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ScannerTestCase.java

@@ -1631,4 +1631,18 @@ public class ScannerTestCase extends BaseScannerTest
     	validateToken( IToken.tSEMI );
     	validateEOF();
 	}
+    
+    public void testBug64268() throws Exception
+	{
+      	Writer writer = new StringWriter();
+		writer.write("#define BODY \\\n"); //$NON-NLS-1$
+		writer.write(" {	 \\\n"); //$NON-NLS-1$
+		writer.write(" /* this multi-line comment messes \\\n"); //$NON-NLS-1$
+		writer.write(" up the parser.  */ }\n"); //$NON-NLS-1$
+		writer.write("BODY "); //$NON-NLS-1$
+		initializeScanner( writer.toString() );
+		validateToken( IToken.tLBRACE);
+		validateToken( IToken.tRBRACE);
+		validateEOF();
+	}
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/Scanner.java

@@ -471,8 +471,7 @@ public final class Scanner implements IScanner, IScannerData {
 					break;
 				} else if (next == '*') {
 					// multiline comment
-					if (skipOverMultilineComment())
+					skipOverMultilineComment();
-						break;
 					c = getChar( true );
 					continue;
 				} else {