[PATCH] D76385: Allow remapping Clang module include paths
Jonas Devlieghere via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Mar 18 15:46:38 PDT 2020
JDevlieghere added inline comments.
================
Comment at: clang/lib/CodeGen/CGDebugInfo.cpp:2488
+ auto RemapPath = [&](std::string &Path) {
+ Path = remapDIPath(Path);
+ StringRef Relative(Path);
----------------
aprantl wrote:
> Is this legal?
>
> remapDIPath takes a StringRef to Path. Is the sret value going to be a temporary or are we modifying the contents of the string while reading from it in remapDIPath?
No, this returns a `std::string` so you're returning a StringRef to a stack-allocated temporary. The lambda should return a `std::string` too.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D76385/new/
https://reviews.llvm.org/D76385
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