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[Bug c++/53493] [4.7 regression] Compiling with -Os excludes PROGMEM array from generated object file (__attribute__((__progmem__)))
- From: "jwatte at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 26 May 2012 19:22:01 +0000
- Subject: [Bug c++/53493] [4.7 regression] Compiling with -Os excludes PROGMEM array from generated object file (__attribute__((__progmem__)))
- Auto-submitted: auto-generated
- References: <bug-53493-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53493
--- Comment #2 from jwatte at gmail dot com 2012-05-26 19:22:01 UTC ---
Note that there is not yet any linkage involved -- this is simply a compile
pass. Specifically, the problem here is that I run into a missing symbol error
when linking a program that does use the symbol.
I'm pretty sure that the C++ standard does not specify that separate
compilation should break unless all const variables are used in the compilation
unit where they are defined.
I will attach the preprocessed source.