Index: src/third_party/mozjs/mozilla-release/modules/fdlibm/src/math_private.h
--- src/third_party/mozjs/mozilla-release/modules/fdlibm/src/math_private.h.orig
+++ src/third_party/mozjs/mozilla-release/modules/fdlibm/src/math_private.h
@@ -30,9 +30,7 @@
  * Adapted from https://github.com/freebsd/freebsd-src/search?q=__double_t
  */
 
-typedef double      __double_t;
 typedef __double_t  double_t;
-typedef float       __float_t;
 
 /*
  * The original fdlibm code used statements like:
