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loadlibrary throws warnings in 2019b but not in 2017b when loading same DLL

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cforem5
cforem5 2020-3-21
I'm getting a warning when I load my DLL file using 2019b:
Unescaped left brace in regex is deprecated here (and will be fatal in Perl 5.30), passed through in regex; marked by <-- HERE in m/struct([^;,{(]){ <-- HERE (.?)}([^;])*;/ at C:\Program Files\MATLAB\R2019b\toolbox\matlab\general\private\prototypes.pl line 912.
When I load the exact same DLL using 2017b, no warning
The library loads in 2019b but when I try to use the library using the calllib function, Matlab dies (get a pop-up that say Matlab encountered an error and had to close). When I do the same call in 2017b, my DLL runs just fine.
I'm wondering if the two are related? Does anyone know or have a fix for this?

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