[all-commits] [llvm/llvm-project] 4506af: [Remarks] Allow empty temporary remark files

[Visoiu Mistrih Francis via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4506afe3ca3bda5399a1c0f3ce92f45c670a1930
      https://github.com/llvm/llvm-project/commit/4506afe3ca3bda5399a1c0f3ce92f45c670a1930
  Author: Francis Visoiu Mistrih <francisvm at yahoo.com>
  Date:   2019-11-22 (Fri, 22 Nov 2019)

  Changed paths:
    M llvm/lib/Remarks/BitstreamRemarkParser.cpp
    M llvm/test/tools/dsymutil/Inputs/basic1.c
    A llvm/test/tools/dsymutil/Inputs/remarks/basic.macho.remarks.empty.x86_64
    A llvm/test/tools/dsymutil/Inputs/remarks/basic1.macho.remarks.empty.x86_64.o
    A llvm/test/tools/dsymutil/Inputs/remarks/basic1.macho.remarks.empty.x86_64.opt.bitstream
    A llvm/test/tools/dsymutil/Inputs/remarks/basic2.macho.remarks.empty.x86_64.o
    A llvm/test/tools/dsymutil/Inputs/remarks/basic2.macho.remarks.empty.x86_64.opt.bitstream
    A llvm/test/tools/dsymutil/Inputs/remarks/basic3.macho.remarks.empty.x86_64.o
    A llvm/test/tools/dsymutil/Inputs/remarks/basic3.macho.remarks.empty.x86_64.opt.bitstream
    A llvm/test/tools/dsymutil/X86/remarks-linking-bundle-empty.test

  Log Message:
  -----------
  [Remarks] Allow empty temporary remark files

When parsing bitstream remarks, allow external remark files to be
empty, which means there are no remarks to be parsed.

In the same way, dsymutil should not produce a remark file.