test/Frontend/windows-nul.c - llvm-project/clang - Git at Google

 // RUN: %clang_cc1 nul

 // REQUIRES: system-windows

 // Verify that cc1 doesn't crash with an assertion failure
 // in MemoryBuffer.cpp due to an invalid file size reported
 // when the Windows 'nul' device is passed in input.
	// RUN: %clang_cc1 nul

	// REQUIRES: system-windows

	// Verify that cc1 doesn't crash with an assertion failure
	// in MemoryBuffer.cpp due to an invalid file size reported
	// when the Windows 'nul' device is passed in input.