[Support] Creation of minidump after compiler crash on Windows

In the current implementation compiler only prints stack trace
to console after crash. This patch adds saving of minidump
files which contain a useful subset of the information for
further debugging.

Differential Revision: http://reviews.llvm.org/D18216



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268519 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Support/Process.cpp

@@ -73,6 +73,13 @@ static const char colorcodes[2][2][8][10] = {
  { ALLCOLORS("4",""), ALLCOLORS("4","1;") }
 };
 
+// This is set to true when Process::PreventCoreFiles() is called.
+static bool coreFilesPrevented = false;
+
+bool Process::AreCoreFilesPrevented() {
+  return coreFilesPrevented;
+}
+
 // Include the platform-specific parts of this class.
 #ifdef LLVM_ON_UNIX
 #include "Unix/Process.inc"