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authorchiba <chiba@30ef5769-5b8d-40dd-aea6-55b5d6557bb3>2009-10-19 06:07:45 +0000
committerchiba <chiba@30ef5769-5b8d-40dd-aea6-55b5d6557bb3>2009-10-19 06:07:45 +0000
commit57fb7c93b2b5f41e5bfd82ec754a6c06b39c1080 (patch)
treeaf5ce512a9cfd812c700abb218474e3eddeabcd1 /src
parent4fe11acde798b9560ddcdf2ecd88fe06e87bcefd (diff)
downloadjavassist-57fb7c93b2b5f41e5bfd82ec754a6c06b39c1080.tar.gz
javassist-57fb7c93b2b5f41e5bfd82ec754a6c06b39c1080.zip
for fixing JIRA-95
git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@499 30ef5769-5b8d-40dd-aea6-55b5d6557bb3
Diffstat (limited to 'src')
-rw-r--r--src/main/javassist/bytecode/stackmap/MapMaker.java7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/main/javassist/bytecode/stackmap/MapMaker.java b/src/main/javassist/bytecode/stackmap/MapMaker.java
index ab5c863a..6d2bf685 100644
--- a/src/main/javassist/bytecode/stackmap/MapMaker.java
+++ b/src/main/javassist/bytecode/stackmap/MapMaker.java
@@ -467,7 +467,7 @@ public class MapMaker extends Tracer {
public StackMap toStackMap2(ConstPool cp, TypedBlock[] blocks) {
StackMap.Writer writer = new StackMap.Writer();
- int n = blocks.length;
+ int n = blocks.length; // should be > 0
boolean[] effective = new boolean[n];
TypedBlock prev = blocks[0];
@@ -483,7 +483,10 @@ public class MapMaker extends Tracer {
num++;
}
}
-
+
+ if (num == 0)
+ return null;
+
writer.write16bit(num);
for (int i = 0; i < n; i++)
if (effective[i])