Try to run and investigate the mips-mti-linux.c test failure on ARM buildbots.

This should be a NFC for every toolchain other than mips-mti-linux (where we
print the list of directories searched for crt files). It will soon be
reverted once we hit the clang-cmake-armv7-a15-selfhost-neon buildbot.

llvm-svn: 251695

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index dc11316cdcd..8da91d5f245 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -8469,6 +8469,19 @@ void gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
         CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1)));
 
       CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
+
+      if (ToolChain.getTriple().getVendor() == llvm::Triple::MipsTechnologies &&
+          !ToolChain.getTriple().hasEnvironment()) {
+        // Print look-up paths for crt files.
+        llvm::errs() << "Looked for crti.o in: ";
+        llvm::errs() << "#### PrefixDirs #### - ";
+        for (const std::string &Dir : D.PrefixDirs)
+          llvm::errs() << "Dir: " << Dir << ", ";
+        llvm::errs() << "#### TC.getFilePaths() #### - ";
+        for (const std::string &Dir : ToolChain.getFilePaths())
+          llvm::errs() << "Dir: " << Dir << ",";
+        llvm::errs() << "\n";
+      }
     }
 
     const char *crtbegin;