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Diffstat (limited to 'compiler/rustc_codegen_llvm/src/debuginfo/mod.rs')
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
index 44e591ceef1..c2f16cad3fc 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
@@ -331,7 +331,7 @@ impl<'ll, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
             llvm::LLVMRustDIBuilderCreateSubroutineType(DIB(self), fn_signature)
         };
 
-        let mut name = String::new();
+        let mut name = String::with_capacity(64);
         type_names::push_item_name(tcx, def_id, false, &mut name);
 
         // Find the enclosing function, in case this is a closure.