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I have a project that is working correctly on Visual studio 2013 Ultimate. Now we have installed Visual studio 2017 Enterprise. When I compile and run my project on VS2017 , on several lines of code I receive a strange error message :

"Cannot obtain value of the local variable or argument because it is not
 available at this instruction pointer, possibly because it has been optimized away."

What can I do , because on VS2013 I had no problems at all.

Thank you !

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1 Answer 1

Reset to default
2

uncheck in the project "optimize code"

Also, set the debug info dropdown to full in the advanced options

go to Debug->Options or Tools->Options

and check Debugging->General->Suppress JIT optimization on module load (Managed only)

if you would like a technical reason, you need to post your code

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3 Comments

I can't find "Optimize code" on VS 2017.Where is it ?
right click the project and go to properties (not the solution), then click on the build tab
There's no Buld TAB on Project-Properties. ( I'm using VS 2017 Enterprise ).

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