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Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_lgamma_r.c')
-rw-r--r--sysdeps/ieee754/dbl-64/e_lgamma_r.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index af7d06c82f..fc6f594d62 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -77,6 +77,7 @@
  *
  */
 
+#include <libc-internal.h>
 #include <math.h>
 #include <math_private.h>
 
@@ -294,7 +295,18 @@ __ieee754_lgamma_r(double x, int *signgamp)
 	} else
     /* 2**58 <= x <= inf */
 	    r =  x*(__ieee754_log(x)-one);
+	/* NADJ is set for negative arguments but not otherwise,
+	   resulting in warnings that it may be used uninitialized
+	   although in the cases where it is used it has always been
+	   set.  */
+	DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (4, 7)
+	DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+#else
+	DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
+#endif
 	if(hx<0) r = nadj - r;
+	DIAG_POP_NEEDS_COMMENT;
 	return r;
 }
 strong_alias (__ieee754_lgamma_r, __lgamma_r_finite)