[modules] Teach the ASTWriter to ignore mutations coming from the ASTReader.Processing update records (and loading a module, in general) might triggerunexpected calls to the ASTWriter (being a mut
[modules] Teach the ASTWriter to ignore mutations coming from the ASTReader.Processing update records (and loading a module, in general) might triggerunexpected calls to the ASTWriter (being a mutation listener). Now we have amechanism to suppress those calls to the ASTWriter but notify other possiblemutation listeners.Fixes https://llvm.org/bugs/show_bug.cgi?id=28332Patch by Cristina Cristescu and me.Reviewed by Richard Smith (D21800).llvm-svn: 276473
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