Support pdbpagesize linker flag from msvc when checking for code coverage #7763
Description
Add a pointer to any prior users list discussion.
I don't know of any discussion prior to this on this topic.
Is your feature request related to a problem? Please describe.
Large projects often need to support a larger than 4GB pdb when building with msvc. This is especially true if incremental linking is turned on as the pdb slowly grows over time. MSVC created a very undocumented linker flag pdbpagesize that allows for a pdb as large as 32GB.
This however breaks some tools here for code coverage basically getting the "Failed to enumerate lines for: " at the drcov2lcov step for the project you are running whenever that pdbpagesize option is used for linking.
Describe the solution you'd like
Either the tool could detect the pdb page size somehow or a command line argument would be needed.
Describe alternatives you've considered
You may be able to workaround this by having a code coverage configuration and a normal configuration for building but its cumbersome and doesn't work for all projects if their pdb size is over 4GB already without incremental linking at all contributing to it.
Additional context
I was able to reproduce this fairly easily with just a Basic "Hello World" C++ implementation with VS2026 when adding the /pdbpagesize:16384 linker option.