StringRefize code because we're good even when we crash.
Patch by Jordy Rose.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156172 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index 3e7a5a2..872be32 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -528,12 +528,12 @@
I += 16;
E = Cmd.find(" ", I);
assert (E != std::string::npos && "-main-file-name missing argument?");
- std::string OldFilename = Cmd.substr(I, E - I);
- std::string NewFilename = llvm::sys::path::filename(*it).str();
- I = Cmd.rfind(OldFilename);
- E = I + OldFilename.length() - 1;
- I = Cmd.rfind(" ", I);
- Cmd.replace(I + 1, E - I, NewFilename);
+ StringRef OldFilename = StringRef(Cmd).slice(I, E);
+ StringRef NewFilename = llvm::sys::path::filename(*it);
+ I = StringRef(Cmd).rfind(OldFilename);
+ E = I + OldFilename.size();
+ I = Cmd.rfind(" ", I) + 1;
+ Cmd.replace(I, E - I, NewFilename.data(), NewFilename.size());
ScriptOS << Cmd;
Diag(clang::diag::note_drv_command_failed_diag_msg) << Script;
}