Fixed bug #317606.

test/conform/org/objectweb/asm/commons/AdviceAdapterUnitTest.java

@@ -105,8 +105,8 @@ public class AdviceAdapterUnitTest extends AbstractTest {
         System.err.println(off().append("<").toString());
     }
 
-    private static StringBuffer off() {
-        StringBuffer sb = new StringBuffer();
+    private static StringBuilder off() {
+        StringBuilder sb = new StringBuilder();
         for (int i = 0; i < n; i++) {
             sb.append("  ");
         }

test/conform/org/objectweb/asm/commons/GASMifier.java

@@ -957,7 +957,7 @@ public class GASMifier extends ASMifier implements Opcodes {
     static String getMethod(final String name, final String desc) {
         Type rt = Type.getReturnType(desc);
         Type[] argt = Type.getArgumentTypes(desc);
-        StringBuffer buf = new StringBuffer();
+        StringBuilder buf = new StringBuilder();
         buf.append("Method.getMethod(\"");
         buf.append(rt.getClassName()).append(' ');
         buf.append(name).append('(');

test/conform/org/objectweb/asm/commons/JSRInlinerAdapterUnitTest.java

@@ -1866,7 +1866,7 @@ public class JSRInlinerAdapterUnitTest extends TestCase {
         TraceMethodVisitor tmv = new TraceMethodVisitor(tv);
         mn.accept(tmv);
 
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         for (int i = 0; i < tv.text.size(); i++) {
             sb.append(tv.text.get(i));
         }

test/perf/org/objectweb/asm/ASMMemTest.java

@@ -151,7 +151,7 @@ public class ASMMemTest {
         int min = (int) (time / (60 * 1000));
         int sec = (int) ((time / 1000) % 60);
         int msec = (int) (time % 1000);
-        StringBuffer sbuf = new StringBuffer(30);
+        StringBuilder sbuf = new StringBuilder(30);
         if (min > 0) {
             sbuf.append(min);
             sbuf.append("min ");
@@ -175,7 +175,7 @@ public class ASMMemTest {
         int mb = (int) ((mem >> 20) & 0x3FF);
         int kb = (int) ((mem >> 10) & 0x3FF);
         int bytes = (int) (mem & 0x3FF);
-        StringBuffer sbuf = new StringBuffer(30);
+        StringBuilder sbuf = new StringBuilder(30);
         if (gb > 0) {
             sbuf.append(gb);
             sbuf.append("GB ");