[PATCH] disabled switching ARM modes in inline asm

[Jim Grosbach]

  While commenting on PR18231, I had a horrible realization. This patch will cause diagnostics to be generated when compiling with "-c" that will not be generated when compiling with "-S". That's a problem. There shouldn't be any diagnostics that depend on whether we're doing direct-to-object or going through a .s file first. When generating a .s file, the inline assembly is just passed through as a textual blob with no interpretation done.

http://llvm-reviews.chandlerc.com/D2255