amadio added a comment.
The problems fixed here also happen when compiling with Clang-5.0 and C++17
enabled. What happens is that the assignment to `ProfileFileName` needs a
conversion of `PGOTestProfileFile` from the `opt` type to `std::string`, but
the compiler is trying to use a deleted constructor of `opt` instead:
include/llvm/Support/CommandLine.h:1296:3: note: declared here
opt(const opt &) = delete;
An alternative way of fixing this, which I have used in ROOT is to write
`ProfileFileName = StringRef(PGOTestProfileFile);` to help the compiler
understand what is going on.
Repository:
rL LLVM
https://reviews.llvm.org/D33467
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