[llvm] r247361 - Add .exe check to Execute to fix clang-modernize tests broken in r247358

[Reid Kleckner via llvm-commits]

Author: rnk
Date: Thu Sep 10 18:59:45 2015
New Revision: 247361

URL: http://llvm.org/viewvc/llvm-project?rev=247361&view=rev
Log:
Add .exe check to Execute to fix clang-modernize tests broken in r247358

Modified:
    llvm/trunk/lib/Support/Windows/Program.inc

Modified: llvm/trunk/lib/Support/Windows/Program.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Windows/Program.inc?rev=247361&r1=247360&r2=247361&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Windows/Program.inc (original)
+++ llvm/trunk/lib/Support/Windows/Program.inc Thu Sep 10 18:59:45 2015
@@ -251,6 +251,14 @@ static bool Execute(ProcessInfo &PI, Str
     return false;
   }
 
+  // can_execute may succeed by looking at Program + ".exe". CreateProcessW
+  // will implicitly add the .exe if we provide a command line without an
+  // executable path, but since we use an explicit executable, we have to add
+  // ".exe" ourselves.
+  SmallString<64> ProgramStorage;
+  if (!sys::fs::exists(Program))
+    Program = Twine(Program + ".exe").toStringRef(ProgramStorage);
+
   // Windows wants a command line, not an array of args, to pass to the new
   // process.  We have to concatenate them all, while quoting the args that
   // have embedded spaces (or are empty).