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Linker Tools Error LNK1277

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object record not found in pgd (filename)

When using /LTCG:PGOPTIMZE, the path of one of the input .lib, def, or .obj files was different from the path on which they were found during /LTCG:PGINSTRUMENT. This may be explained by a change in the LIB environment variable after /LTCG:PGINSTRUMENT. The full path to the input files is stored in the .pgd file.

/LTCG:PGOPTIMIZE requires that the inputs be identical to the /LTCG:PGINSTRUMENT phase.

To resolve this warning, do one of the following:

  • Run /LTCG:PGINSTRUMENT, redo all test runs, and run /LTCG:PGOPTIMIZE.

  • Change the LIB environment variable to what it was when you ran /LTCG:PGINSTRUMENT.

It is not recommended that you work around LNK1277 by using /LTCG:PGUPDATE.