From 9aae4d57cb6baf409b54d67a8a312624f8ad84b6 Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Fri, 3 Jun 2022 14:27:45 +0300
Subject: [PATCH] compiler_rt: fix infinite loop

---
 lib/compiler_rt/log2.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/compiler_rt/log2.zig b/lib/compiler_rt/log2.zig
index 53f35c9a80..aa294b33fd 100644
--- a/lib/compiler_rt/log2.zig
+++ b/lib/compiler_rt/log2.zig
@@ -147,7 +147,8 @@ pub fn __log2x(a: f80) callconv(.C) f80 {
 }
 
 pub fn log2q(a: f128) callconv(.C) f128 {
-    return math.log2(a);
+    // TODO: more correct implementation
+    return log2(@floatCast(f64, a));
 }
 
 pub fn log2l(x: c_longdouble) callconv(.C) c_longdouble {