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Re: [avr-gcc-list] PSTR macro bug in C++

From: E. Weddington
Subject: Re: [avr-gcc-list] PSTR macro bug in C++
Date: Fri, 10 Sep 2004 10:39:50 -0600
User-agent: Mozilla Thunderbird 0.7.3 (Windows/20040803)

Iztok Zupet wrote:


Just today I discovered a bug. Using the printf_P function and PSTR
macro causes:

*App.cpp: In member function `void App::dmxScreen()': *App.cpp:47: internal compiler error: in simplify_gen_subreg, at simplify-rtx.c:3444 *Please submit a full bug report,
I use avr-gcc V 3.4.1 and avr-libc V 1.0.4.

However, defining PSTR(s) macro as
#define PSTR(s) ({static char __c[] PROGMEM = (s); &__c[0];})
instead of
#define ({static char __c[] PROGMEM = (s); __c;})
solves this problem.


Already known as avr-libc bug #8633:

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