Make sure only comments are stripped

The regex " +#.*" could also match immediates on ARM, e.g.

  cmp r1, #1234

Fix it by requiring a space after the hash mark.

Test: art_compiler_host_tests
Change-Id: I3cf038ff6547edad8a417961d8bb2b27c0872f51

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/utils/assembler_test_base.h b/compiler/utils/assembler_test_base.h
index 73318639c2..bf73808603 100644
--- a/compiler/utils/assembler_test_base.h
+++ b/compiler/utils/assembler_test_base.h
@@ -252,7 +252,7 @@ class AssemblerTestBase : public testing::Test {
 
   // Remove comments emitted by objdump.
   std::string StripComments(const std::string& str) {
-    return std::regex_replace(str, std::regex(" +#.*"), "");
+    return std::regex_replace(str, std::regex(" +# .*"), "");
   }
 
   std::optional<ScratchDir> scratch_dir_;