[LLVMbugs] [Bug 23512] Clang prints garbage in compile warning
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Thu May 14 09:10:31 PDT 2015
https://llvm.org/bugs/show_bug.cgi?id=23512
Dimitry Andric <dimitry at andric.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
--- Comment #7 from Dimitry Andric <dimitry at andric.com> ---
Right, this is a bug in the FreeBSD-specific -fformat-extensions support, added
in the lang/clang35 port. This flag isn't supported by upstream clang, and has
been replaced by the __format__(__freebsd_kprintf__, x, y) attribute in trunk.
For reference, a minimal example is:
void foo(int, const char *, ...) __attribute__((__format__(__printf__, 2, 3)));
void bar(const unsigned char *p, unsigned short len)
{
foo(-1, " %*D", len, p, "-");
}
Let's move this bug over to the FreeBSD bug tracker:
https://bugs.freebsd.org/200193
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