1 files changed, 5 insertions, 3 deletions
diff --git a/vendor/compiler_builtins/src/int/specialized_div_rem/mod.rs b/vendor/compiler_builtins/src/int/specialized_div_rem/mod.rs
index 77034eb54..760f5f5b7 100644
--- a/vendor/compiler_builtins/src/int/specialized_div_rem/mod.rs
+++ b/vendor/compiler_builtins/src/int/specialized_div_rem/mod.rs
@@ -95,8 +95,9 @@ const USE_LZ: bool = {
         // LZD or LZCNT on SPARC only exists for the VIS 3 extension and later.
         cfg!(target_feature = "vis3")
     } else if cfg!(any(target_arch = "riscv32", target_arch = "riscv64")) {
-        // The `B` extension on RISC-V determines if a CLZ assembly instruction exists
-        cfg!(target_feature = "b")
+        // The 'Zbb' Basic Bit-Manipulation extension on RISC-V
+        // determines if a CLZ assembly instruction exists
+        cfg!(target_feature = "zbb")
     } else {
         // All other common targets Rust supports should have CLZ instructions
         true
@@ -305,5 +306,6 @@ impl_binary_long!(
     u32_normalization_shift,
     32,
     u32,
-    i32
+    i32,
+    allow(dead_code)
 );