Compiling this code with DMD 0.128 on both Windows and Linux:

void main() { foo(bar()); }
void foo(inout int i) {}
int bar() { return 10; }

will crash the compiler immediately after the error message:

error.d(3): bar() is not an lvalue

is printed out.

Dave wrote:
> Compiling this code with DMD 0.128 on both Windows and Linux:
> 
> void main() { foo(bar()); }
> void foo(inout int i) {}
> int bar() { return 10; }
> 
> will crash the compiler immediately after the error message:
> error.d(3): bar() is not an lvalue

Looks like an extension to the bug I posted not long ago.  Apparently the real bug you and I have run into boils down to: inout parameters don't like expressions, including assignments, invocations, and .dup's.

-- Chris Sauls

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Dave schrieb am Tue, 19 Jul 2005 16:55:02 +0000 (UTC):
>
> Compiling this code with DMD 0.128 on both Windows and Linux:
>
> void main() { foo(bar()); }
> void foo(inout int i) {}
> int bar() { return 10; }
>
> will crash the compiler immediately after the error message:
>
> error.d(3): bar() is not an lvalue
>
> is printed out.


- -> dmd/src/dmd/expression.c:517


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=If4g
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Thomas Kuehne wrote:
> - -> dmd/src/dmd/expression.c:517

#            # Expression *Expression::toLvalue(Expression *e)
#            # {
#            #     if (!e)
#            # 	e = this;
#            #     else if (!loc.filename)
#            # 	loc = e->loc;
#            #     error("%s is not an lvalue", e->toChars());
#this one --># *(char*)0=0;
#            #     return this;
#            # }

I'm confounded.

-- Chris Sauls

"Chris Sauls" <ibisbasenji@gmail.com> wrote in message news:dbkrgj$1kq5$1@digitaldaemon.com...
> Thomas Kuehne wrote:
>> - -> dmd/src/dmd/expression.c:517
>
> #            # Expression *Expression::toLvalue(Expression *e)
> #            # {
> #            #     if (!e)
> #            # e = this;
> #            #     else if (!loc.filename)
> #            # loc = e->loc;
> #            #     error("%s is not an lvalue", e->toChars());
> #this one --># *(char*)0=0;
> #            #     return this;
> #            # }
>
> I'm confounded.

Oh.  Oh, my.

Well that explains all these crashes.

"Chris Sauls" <ibisbasenji@gmail.com> wrote in message news:dbkrgj$1kq5$1@digitaldaemon.com...
> Thomas Kuehne wrote:
> > - -> dmd/src/dmd/expression.c:517
>
> #            # Expression *Expression::toLvalue(Expression *e)
> #            # {
> #            #     if (!e)
> #            # e = this;
> #            #     else if (!loc.filename)
> #            # loc = e->loc;
> #            #     error("%s is not an lvalue", e->toChars());
> #this one --># *(char*)0=0;
> #            #     return this;
> #            # }
>
> I'm confounded.

LOL. That's detritus left over from debugging. I insert those so it'll die at runtime under the debugger, giving me a stack trace. Sometimes, I forget to remove them.