Driver: When compilation fails, don't try to remove output files we don't have
write access to.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130150 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Compilation.cpp b/lib/Driver/Compilation.cpp
index 5619212..2657faa 100644
--- a/lib/Driver/Compilation.cpp
+++ b/lib/Driver/Compilation.cpp
@@ -101,6 +101,12 @@
llvm::sys::Path P(*it);
std::string Error;
+ // Don't try to remove files which we don't have write access to (but may be
+ // able to remove). Underlying tools may have intentionally not overwritten
+ // them.
+ if (!P.canWrite())
+ continue;
+
if (P.eraseFromDisk(false, &Error)) {
// Failure is only failure if the file exists and is "regular". There is
// a race condition here due to the limited interface of