diff options
Diffstat (limited to 'src/librustc_codegen_llvm/llvm_util.rs')
| -rw-r--r-- | src/librustc_codegen_llvm/llvm_util.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/librustc_codegen_llvm/llvm_util.rs b/src/librustc_codegen_llvm/llvm_util.rs index 9e8ff204703..8456cf2f480 100644 --- a/src/librustc_codegen_llvm/llvm_util.rs +++ b/src/librustc_codegen_llvm/llvm_util.rs @@ -52,8 +52,9 @@ fn require_inited() { } unsafe fn configure_llvm(sess: &Session) { - let mut llvm_c_strs = Vec::new(); - let mut llvm_args = Vec::new(); + let n_args = sess.opts.cg.llvm_args.len(); + let mut llvm_c_strs = Vec::with_capacity(n_args + 1); + let mut llvm_args = Vec::with_capacity(n_args + 1); { let mut add = |arg: &str| { |