[dsymutil] Use rfind for paths with parentheses

Dsymutil gets library member information is through the ambiguous
/path/to/archive.a(member.o). The current logic we use would get
confused by additional parentheses. Using rfind mitigates this issue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355114 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/dsymutil/BinaryHolder.cpp b/tools/dsymutil/BinaryHolder.cpp
index 9c9672a..da4ed8a 100644 (file)
--- a/tools/dsymutil/BinaryHolder.cpp
+++ b/tools/dsymutil/BinaryHolder.cpp
@@ -21,7 +21,7 @@ namespace dsymutil {
 
 static std::pair<StringRef, StringRef>
 getArchiveAndObjectName(StringRef Filename) {
-  StringRef Archive = Filename.substr(0, Filename.find('('));
+  StringRef Archive = Filename.substr(0, Filename.rfind('('));
   StringRef Object = Filename.substr(Archive.size() + 1).drop_back();
   return {Archive, Object};
 }