- import classpath from git://git.savannah.gnu.org/classpath.gitCLASSPATH

  commit c814d82e5a435f93150cd28b7cf0f9d600ff400d
- add m4/lib-{ld,link,prefix}.m4


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/CLASSPATH@194074 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 2 deletions

diff --git a/libjava/classpath/javax/sound/midi/MetaMessage.java b/libjava/classpath/javax/sound/midi/MetaMessage.java
index 4d43975c3a4..0aab153cbfa 100644
--- a/libjava/classpath/javax/sound/midi/MetaMessage.java
+++ b/libjava/classpath/javax/sound/midi/MetaMessage.java
@@ -120,10 +120,12 @@ public class MetaMessage extends MidiMessage
 
     // Now compute the length representation
     long buffer = length & 0x7F;
-    while ((length >>= 7) > 0)
+    // Avoid altering length variable; PR42551
+    lengthValue = length;
+    while ((lengthValue >>= 7) > 0)
     {
       buffer <<= 8;
-      buffer |= ((length & 0x7F) | 0x80);
+      buffer |= ((lengthValue & 0x7F) | 0x80);
     }
 
     // Now store the variable length length value