[llvm-ar] Support an options string that start with a dash
Some projects call $AR like "$AR -crs output input1 input2".
Differential Revision: https://reviews.llvm.org/D39538
llvm-svn: 317358
diff --git a/llvm/test/tools/llvm-ar/default-add.test b/llvm/test/tools/llvm-ar/default-add.test
index 88719e4..68e41c2 100644
--- a/llvm/test/tools/llvm-ar/default-add.test
+++ b/llvm/test/tools/llvm-ar/default-add.test
@@ -4,7 +4,8 @@
RUN: rm -f %t.ar
RUN: llvm-ar crs %t.ar %t-macho.o
RUN: grep -q __.SYMDEF %t.ar
-RUN: llvm-ar crs %t.ar %t-coff.o
+Test that an option string prefixed by a dash works.
+RUN: llvm-ar -crs %t.ar %t-coff.o
RUN: grep -q __.SYMDEF %t.ar
RUN: rm -f %t.ar