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[PATCH 5/5] Add ATTRIBUTE_PRINTF to trace_start_error


clang complains that the fmt passed to vwarning in trace_start_error is
not a literal.  This looks like a fair warning, which can be removed by
adding ATTRIBUTE_PRINTF to the declaration of trace_start_error.

gdb/ChangeLog:

	* nat/fork-inferior.h (trace_start_error): Add ATTRIBUTE_PRINTF.
---
 gdb/nat/fork-inferior.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gdb/nat/fork-inferior.h b/gdb/nat/fork-inferior.h
index 10e3832..d369cff 100644
--- a/gdb/nat/fork-inferior.h
+++ b/gdb/nat/fork-inferior.h
@@ -95,7 +95,7 @@ extern void gdb_flush_out_err ();
    (i.e., when the "traceme_fun" callback is called on fork_inferior)
    and bail out.  This function does not return.  */
 extern void trace_start_error (const char *fmt, ...)
-  ATTRIBUTE_NORETURN;
+  ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
 
 /* Like "trace_start_error", but the error message is constructed by
    combining STRING with the system error message for errno.  This
-- 
2.7.4


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