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compiler: return a valid (undef) value from a unsupported select

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Returning a nil value may lead to problems later on. Just return undef
here, so that further compilation will at least be safe (the result
will be discarded anyway).
This commit is contained in:
Ayke van Laethem
2019-06-08 13:24:46 +02:00
committed by Ron Evans
parent e169e3b996
commit 88bb61f287
1 changed files with 1 additions and 1 deletions
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compiler/compiler.go
+1 -1
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@@ -1721,7 +1721,7 @@ func (c *Compiler) parseExpr(frame *Frame, expr ssa.Value) (llvm.Value, error) {
return retval, nil // {-1, false}
}
}
return llvm.Value{}, c.makeError(expr.Pos(), "unimplemented: "+expr.String())
return llvm.Undef(c.getLLVMType(expr.Type())), c.makeError(expr.Pos(), "unimplemented: "+expr.String())
case *ssa.Slice:
if expr.Max != nil {
return llvm.Value{}, c.makeError(expr.Pos(), "todo: full slice expressions (with max): "+expr.Type().String())