D29233.id85657.diff
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	Index: lib/msun/ld80/s_logl.c
	===================================================================
	--- lib/msun/ld80/s_logl.c
	+++ lib/msun/ld80/s_logl.c
	@@ -674,14 +674,14 @@
	RETURNSPI(&r);
	}

	-static const double
	-invln10_hi = 4.3429448190317999e-1, /* 0x1bcb7b1526e000.0p-54 */
	-invln10_lo = 7.1842412889749798e-14, /* 0x1438ca9aadd558.0p-96 */
	-invln10_lo_plus_hi = invln10_lo + invln10_hi,
	-invln2_hi = 1.4426950408887933e0, /* 0x171547652b8000.0p-52 */
	-invln2_lo = 1.7010652264631490e-13, /* 0x17f0bbbe87fed0.0p-95 */
	-invln2_lo_plus_hi = invln2_lo + invln2_hi;
	-
	+/* Use macros since GCC < 8 rejects static const expressions in initializers. */
	+#define invln10_hi 4.3429448190317999e-1 /* 0x1bcb7b1526e000.0p-54 */
	+#define invln10_lo 7.1842412889749798e-14 /* 0x1438ca9aadd558.0p-96 */
	+#define invln2_hi 1.4426950408887933e0 /* 0x171547652b8000.0p-52 */
	+#define invln2_lo 1.7010652264631490e-13 /* 0x17f0bbbe87fed0.0p-95 */
	+/* Let the compiler pre-calculate this sum to avoid FE_INEXACT at run time. */
	+static const double invln10_lo_plus_hi = invln10_lo + invln10_hi;
	+static const double invln2_lo_plus_hi = invln2_lo + invln2_hi;

	long double
	log10l(long double x)