[clang][deps][cas] CAS test for llvm#138920 #10624
Merged
+188
−0
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In addition to the dependency issue described in llvm#138920, not rebuilding an implicit module when its explicitly-built dependency got out of date made us use stale include-tree of the implicitly-built module, which caused file content conflicts and the "file changed during build" error message.
rdar://150230022