JDK-8064857 : javac generates LVT entry with length 0 for local variable
- Type: Bug
- Component: tools
- Sub-Component: javac
- Affected Version: 8,9
- Priority: P3
- Status: Closed
- Resolution: Fixed
- Submitted: 2014-11-14
- Updated: 2015-09-29
- Resolved: 2015-01-06
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Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 8 | JDK 9 |
|---|---|
8u60Fixed  |
9 b46Fixed |
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Description
When compiling this test case:
class Test {
int m(boolean flag) {
int myInt;
label:
{
if (flag) {
myInt = 1;
} else {
break label;
}
return myInt;
}
return -1;
}
}
javac generates this incorrect LVT table for method m:
LocalVariableTable:
Start Length Slot Name Signature
6 0 2 myInt I <-------------- length is set to 0
0 10 0 this LTest;
0 10 1 flag Z
reported in compiler-dev: http://mail.openjdk.java.net/pipermail/compiler-dev/2014-November/009141.html