Windows build fails with internal compiler error C1001

[ithron]

The relevant part of the build log is:

c:\hunter\_base\70287b1\b8646f3\ca53d5c\install\include\eigen3\eigen\src\core\util\forwarddeclarations.h(57): fatal error C1001: An internal error has occurred in the compiler. [C:\projects\cortidqct\lib\Core.vcxproj]
6825  (compiler file 'f:\dd\vctools\compiler\cxxfe\sl\p1\c\lambdas.cpp', line 6275)
6826   To work around this problem, try simplifying or changing the program near the locations listed above.
6827  Please choose the Technical Support command on the Visual C++ 
6828   Help menu, or open the Technical Support help file for more information (compiling source file C:\projects\cortidqct\lib\Mesh.cpp)
6829  MeshFitterConfiguration.cpp
6830  MeshFitterImpl.cpp
6831c:\hunter\_base\70287b1\b8646f3\ca53d5c\install\include\eigen3\eigen\src\core\util\forwarddeclarations.h(57): fatal error C1001: An internal error has occurred in the compiler. [C:\projects\cortidqct\lib\Core.vcxproj]
6832  (compiler file 'f:\dd\vctools\compiler\cxxfe\sl\p1\c\lambdas.cpp', line 6275)
6833   To work around this problem, try simplifying or changing the program near the locations listed above.
6834  Please choose the Technical Support command on the Visual C++ 
6835   Help menu, or open the Technical Support help file for more information (compiling source file C:\projects\cortidqct\lib\MeshFitterConfiguration.cpp)
6836  VoxelVolume.cpp
6837c:\hunter\_base\70287b1\b8646f3\ca53d5c\install\include\eigen3\eigen\src\core\util\forwarddeclarations.h(57): fatal error C1001: An internal error has occurred in the compiler. [C:\projects\cortidqct\lib\Core.vcxproj]
6838  (compiler file 'f:\dd\vctools\compiler\cxxfe\sl\p1\c\lambdas.cpp', line 6275)
6839   To work around this problem, try simplifying or changing the program near the locations listed above.
6840  Please choose the Technical Support command on the Visual C++ 
6841   Help menu, or open the Technical Support help file for more information (compiling source file C:\projects\cortidqct\lib\MeshFitterImpl.cpp)
6842  WeightedARAPFitter.cpp
6843c:\hunter\_base\70287b1\b8646f3\ca53d5c\install\include\eigen3\eigen\src\core\util\forwarddeclarations.h(57): fatal error C1001: An internal error has occurred in the compiler. [C:\projects\cortidqct\lib\Core.vcxproj]
6844  (compiler file 'f:\dd\vctools\compiler\cxxfe\sl\p1\c\lambdas.cpp', line 6275)
6845   To work around this problem, try simplifying or changing the program near the locations listed above.
6846  Please choose the Technical Support command on the Visual C++ 
6847   Help menu, or open the Technical Support help file for more information (compiling source file C:\projects\cortidqct\lib\WeightedARAPFitter.cpp)

[ithron]

This stackoverflow post suggests to switch the FP model from Precise(/fp:precise) to Strict(/fp:strict).

[ithron]

Unfortunately, changing the FP model doesn't help, see build: https://ci.appveyor.com/project/ithron/cortidqct/builds/19821385