https://bugzilla.novell.com/show_bug.cgi?id=421736
Summary: [Regression] Compiler fails on some block containing
yield keyword
Product: Mono: Compilers
Version: SVN
Platform: Other
OS/Version: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: C#
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [email protected]
Found By: ---
The attached snippet fails to compile with gmcs SVN and outputs the following
stacktrace :
[csc] Exception caught by the compiler while emitting:
[csc] Block that caused the problem begin at:
/home/avi/tmp/opensim/src/opensim/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Parser.cs(2266,9):
[csc] System.Exception: Trying to emit a local from a different ILGenerator.
[csc] Internal compiler error at
/home/avi/tmp/opensim/src/opensim/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Parser.cs(2266,9)::
exception caught while emitting MethodBuilder
[<syntax_error>c__Iterator37::Dispose]
[csc]
[csc] Unhandled Exception: System.Exception: Trying to emit a local from a
different ILGenerator.
[csc] at System.Reflection.Emit.ILGenerator.Emit (OpCode opcode,
System.Reflection.Emit.LocalBuilder local) [0x00000]
[csc] at Mono.CSharp.LocalInfo.Emit (Mono.CSharp.EmitContext ec) [0x00000]
[csc] at Mono.CSharp.VariableReference.EmitLoad (Mono.CSharp.EmitContext ec)
[0x00000]
[csc] at Mono.CSharp.VariableReference.Emit (Mono.CSharp.EmitContext ec,
Boolean leave_copy) [0x00000]
[csc] at Mono.CSharp.TemporaryVariable.Emit (Mono.CSharp.EmitContext ec)
[0x00000]
[csc] at Mono.CSharp.Foreach+CollectionForeach.EmitFinallyBody
(Mono.CSharp.EmitContext ec) [0x00000]
[csc] at
Mono.CSharp.Foreach+CollectionForeach+DisposableWrapper.EmitFinallyBody
(Mono.CSharp.EmitContext ec) [0x00000]
[csc] at Mono.CSharp.ExceptionStatement.EmitForDispose
(Mono.CSharp.EmitContext ec, Mono.CSharp.Iterator iterator, Label end, Boolean
have_dispatcher) [0x00000]
[csc] at Mono.CSharp.Iterator.EmitDispose (Mono.CSharp.EmitContext ec)
[0x00000]
[csc] at
Mono.CSharp.IteratorStorey+DisposeMethod+DisposeMethodStatement.DoEmit
(Mono.CSharp.EmitContext ec) [0x00000]
[csc] at Mono.CSharp.Statement.Emit (Mono.CSharp.EmitContext ec) [0x00000]
[csc] at Mono.CSharp.Block.DoEmit (Mono.CSharp.EmitContext ec) [0x00000]
[csc] at Mono.CSharp.Block.Emit (Mono.CSharp.EmitContext ec) [0x00000]
[csc] at Mono.CSharp.ExplicitBlock.Emit (Mono.CSharp.EmitContext ec)
[0x00000]
[csc] at Mono.CSharp.ToplevelBlock.Emit (Mono.CSharp.EmitContext ec)
[0x00000]
[csc] at Mono.CSharp.EmitContext.EmitResolvedTopBlock
(Mono.CSharp.ToplevelBlock block, Boolean unreachable) [0x00000]
[csc] at Mono.CSharp.EmitContext.EmitTopBlock (IMethodData md,
Mono.CSharp.ToplevelBlock block) [0x00000]
The snippet was reported to compile correctly on a stock 1.9.1 gmcs .
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