Andrew Kelley 64a590a311 stage2: detect redundant C/C++ source files ...

Cache exposes BinDigest.

Compilation gains a set of a BinDigest for every C/C++ source file. We
detect when the same source/flags have already been added and emit a
compile error. This prevents a deadlock in the caching system.

Closes #7308

2020-12-11 02:33:09 -05:00

32 KiB

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