Add .ixx as a possible C++ extension
#127962
Merged
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The
.ixxextension is used to denote a C++ module interface file, required for it to be detected as such by Visual Studio, as seen here in the Visual Studio documentation.Therefore, Visual Studio Code should detect files with an
.ixxextension as C++.To test these changes, one simply creates a file with the
.ixxextension, and checks to see if Visual Studio Code marks it as C++ code.This PR fixes #127961.