RE: [PATCH] iwl4965: Enable checking of format strings
From: David Laight
Date: Fri Feb 13 2015 - 06:22:08 EST
From: Rasmus Villemoes
> Well, probably the linker is allowed to overlap "anonymous" objects
> (string literals) with whatever const char (or indeed any const)
> object it finds containing the appropriate byte sequence. But I think
> language lawyers would insist that for
> const char foo = "a string";
> const char bar = "a string";
A quick test shows those are separate strings.
But 'const char *foo = "xxx";' will share.
You also need -O1 to get the strings into .rodata.str.n so that the linker
can merge them.
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