[MacPorts] #17524: avr-gcc: update to current version

[MacPorts]

#17524: avr-gcc: update to current version
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 Reporter:  andi@…             |       Owner:  metamagix@…        
     Type:  update             |      Status:  new                
 Priority:  Normal             |   Milestone:                     
Component:  ports              |     Version:                     
 Keywords:                     |        Port:  avr-gcc            
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Comment(by lars@…):

 If I could, I'd close this ticket and link to #33107.

 gcc 4.6.2 fixes at least one annoying bug (wrong const warnings for
 PROGMEM placed constants when using C++) over 4.5.2

 (But here we are, ghosts whispering to each other in this deserted place.)

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Ticket URL: <https://trac.macports.org/ticket/17524#comment:15>
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