diff --git a/rust/coverage.go b/rust/coverage.go
index 050b811..8fdfa23 100644
--- a/rust/coverage.go
+++ b/rust/coverage.go
@@ -57,7 +57,18 @@
 		flags.RustFlags = append(flags.RustFlags,
 			"-Z instrument-coverage", "-g")
 		flags.LinkFlags = append(flags.LinkFlags,
-			profileInstrFlag, "-g", coverage.OutputFile().Path().String(), "-Wl,--wrap,open")
+			profileInstrFlag, "-g", coverage.OutputFile().Path().String(), "-Wl,--wrap,open",
+			// Upstream LLVM change 6d2d3bd0a6 made
+			// -z,start-stop-gc the default.  It drops metadata
+			// sections like __llvm_prf_data unless they are marked
+			// SHF_GNU_RETAIN.  https://reviews.llvm.org/D97448
+			// marks generated sections, including __llvm_prf_data
+			// as SHF_GNU_RETAIN.  However this change is not in
+			// the Rust toolchain.  Since we link Rust libs with
+			// new lld, we should use nostart-stop-gc until the
+			// Rust toolchain updates past D97448.
+			"-Wl,-z,nostart-stop-gc",
+		)
 		deps.StaticLibs = append(deps.StaticLibs, coverage.OutputFile().Path())
 	}