[LLVMdev] Fix for "Bad fd number" error in test_debuginfo.pl

[Andy Gibbs]

Hi,

Attached is a simple patch to fix a "Bad fd number" error in test_debuginfo.pl which has come about because of an invalid redirection in the system call.

Normally the stdout+stderr to file redirection is "&>" (not ">&" as in the script!), but I have found this to be unsupported on all shell types (I think it was introduced in bash at version 4, for example), so the more portable "> file 2>&1" has been substituted.

Cheers
Andy
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