When the compiler crashes, the compiler driver now produces diagnostic

information including the fully preprocessed source file(s) and command line 
arguments.  The developer is asked to attach this diagnostic information to a 
bug report.
rdar://9575623


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136702 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 2 deletions

diff --git a/tools/driver/driver.cpp b/tools/driver/driver.cpp
index 096260c421..3ae1487118 100644
--- a/tools/driver/driver.cpp
+++ b/tools/driver/driver.cpp
@@ -458,9 +458,15 @@ int main(int argc_, const char **argv_) {
 
   llvm::OwningPtr<Compilation> C(TheDriver.BuildCompilation(argv));
   int Res = 0;
+  const Command *FailingCommand = 0;
   if (C.get())
-    Res = TheDriver.ExecuteCompilation(*C);
-  
+    Res = TheDriver.ExecuteCompilation(*C, FailingCommand);
+
+  // If result status is < 0, then the driver command signalled an error.
+  // In this case, generate additional diagnostic information if possible.
+  if (Res < 0)
+    TheDriver.generateCompilationDiagnostics(*C, FailingCommand);
+
   // If any timers were active but haven't been destroyed yet, print their
   // results now.  This happens in -disable-free mode.
   llvm::TimerGroup::printAll(llvm::errs());