http://bugzilla.novell.com/show_bug.cgi?id=497220
Summary: assertion in mono_local_regalloc when a local not
initialized is used
Classification: Mono
Product: Mono: Runtime
Version: 2.4.x
Platform: Other
OS/Version: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: JIT
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Found By: ---
Created an attachment (id=287416)
--> (http://bugzilla.novell.com/attachment.cgi?id=287416)
file that compiled with ilasm shows the bug when run with mono 2.4
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.20)
Gecko/20081217 Firefox/2.0.0.20
In the attached file 'error.il'
the function foo2 uses the local V_0 but it never initializes it.
When I run the compiled file with older versions of mono it works, but with
mono 2.4 I get an assert in mono_local_regalloc:
mono_local_regalloc: assertion failed: (reginfo [ins->sreg1].born_in > 0)
if I initialize the local directly or with '.locals init ( int32 V_0 )' the
assertion is gone.
Reproducible: Always
Steps to Reproduce:
1. compile the attached file with ilasm: 'ilasm error.il'
2. run it with mono: '.../mono-2.4/bin/mono error.exe'
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