Fix regression: immediately terminate ccc-analyzer when gcc reports an error.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55452 91177308-0d34-0410-b5e6-96231b3b80d8

utils/ccc-analyzer

@@ -192,6 +192,7 @@ my $Output;
 
 # Forward arguments to gcc.
 my $Status = system($CC,@ARGV);
+if ($Status) { exit($Status >> 8); }
 
 # Get the analysis options.
 my $Analyses = $ENV{'CCC_ANALYZER_ANALYSIS'};