--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mozilla-bmo531915.patch	Mon Sep 06 12:03:54 2021 +0200
@@ -0,0 +1,29 @@
+# HG changeset patch
+# User Wolfgang Rosenauer <wr@rosenauer.org>
+# Parent  7332dfc4c47d73f1b88850b7727d33096d68e329
+
+diff --git a/modules/fdlibm/src/math_private.h b/modules/fdlibm/src/math_private.h
+--- a/modules/fdlibm/src/math_private.h
++++ b/modules/fdlibm/src/math_private.h
+@@ -25,17 +25,21 @@
+ 
+ #include "mozilla/EndianUtils.h"
+ 
+ /*
+  * Emulate FreeBSD internal double types.
+  * Adapted from https://github.com/freebsd/freebsd-src/search?q=__double_t
+  */
+ 
++#ifdef __i386__
++typedef long double __double_t;
++#else
+ typedef double      __double_t;
++#endif
+ typedef __double_t  double_t;
+ 
+ /*
+  * The original fdlibm code used statements like:
+  *	n0 = ((*(int*)&one)>>29)^1;		* index of high word *
+  *	ix0 = *(n0+(int*)&x);			* high word of x *
+  *	ix1 = *((1-n0)+(int*)&x);		* low word of x *
+  * to dig two 32 bit words out of the 64 bit IEEE floating point