compile_commands.json support doesn't understand -iquote

[nelhage]

The compile_commands.json support doesn't seem to extract include paths from -iquote arguments to the compiler.

You can reproduce by checking out https://github.com/nelhage/vscode_bazel_cxx and opening foo.cc; The foo.h include won't be found. If you edit compile_commands.json to use -isystem or -I instead, it will work.

(This isn't relevant to the bug since I was able to minimize to the above, but I'm using bazel and https://github.com/grailbio/bazel-compilation-database to generate my compile_commands, which is where I'm getting command files containing -iquote)

[sean-mcmanus]

Should be fixed with 0.25.0-insiders: https://github.com/microsoft/vscode-cpptools/releases/tag/0.25.0-insiders