[cfe-commits] Fix for the -mms-bitfields commandline parameter

[Jeremiah Zanin]

The "-mms-bitfields" commandline parameter now properly turns on the ms_struct behavior.

I've never submitted a code change before, hopefully I did this correctly. I included the patch and a new test file.

One result of this change is that __attribute__((ms_struct)) on an enum will produce a warning, for example:

enum __attribute__((ms_struct)) bar {
        BAR_A = 0,
        BAR_B,
        BAR_C
};

ms-bitfields-test.cpp:4:21: warning: 'ms_struct' attribute ignored
enum __attribute__((ms_struct)) bar {

Is this desired?

Jeremiah

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