Update README.md to mention 'mold'

README.md

@@ -17,14 +17,22 @@ wonderful [Inferno](https://github.com/jonhoo/inferno) all-rust flamegraph gener
 Windows is getting [dtrace support](https://techcommunity.microsoft.com/t5/Windows-Kernel-Internals/DTrace-on-Windows/ba-p/362902),
 so if you try this out please let us know how it goes. :D
 
-**Note**: If you're using lld on Linux, you must use the `--no-rosegment` flag. Otherwise perf will not be able to generate accurate stack traces ([explanation](https://crbug.com/919499#c16)). For example
+**Note**: If you're using lld or mold on Linux, you must use the `--no-rosegment` flag. Otherwise perf will not be able to generate accurate stack traces ([explanation](https://crbug.com/919499#c16)). For example, for lld:
 
 ```toml
 [target.x86_64-unknown-linux-gnu]
 linker = "/usr/bin/clang"
 rustflags = ["-Clink-arg=-fuse-ld=lld", "-Clink-arg=-Wl,--no-rosegment"]
 ```
 
+and for mold:
+
+```toml
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-Clink-arg=-fuse-ld=/usr/local/bin/mold", "-Clink-arg=-Wl,--no-rosegment"]
+```
+
 ## Installation
 
 ```