2009-07-15 Robert Dewar <dewar@adacore.com>
* debug.adb: Add -gnatd.O to output SCO table
* lib-writ.adb (Write_Unit_Information): Use SCO_Output to output SCO
information.
* lib-writ.ads: Document addition of SCO lines to ALI file
* par_sco.ads, par_sco.adb: New files.
* opt.ads (Generate_SCO): New switch
* par.adb (Par): Call SCO_Record to record SCO information
* sem_warn.adb (Warn_On_Constant_Condition): Adjust SCO condition
* switch-c.adb: Recognize -gnateS to generate SCO information
* usage.adb: Add line for -gnateS
* gcc-interface/Make-lang.in: Add dependency on par_sco.o for gnat1
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149669
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