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[Bug c/59863] const array in function is placed on stack
- From: "joseph at codesourcery dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 17 Jan 2014 23:26:04 +0000
- Subject: [Bug c/59863] const array in function is placed on stack
- Auto-submitted: auto-generated
- References: <bug-59863-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59863
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Fri, 17 Jan 2014, sam at gcc dot gnu.org wrote:
> Is there anything in the C standard preventing a const array declared in a
> function from being put in .rodata or are those missed optimizations?
If the object address can escape and the function can be called
recursively, this would violate the requirement for distinct objects to
have distinct addresses. (See discussion on comp.std.c, "uniqueness of
automatic objects", Nov 2008; I'm not sure if there was a corresponding
GCC bug report / fix.)