commit 83ff4d2b0d6133d48055a27fe25c5d241bca7e9b
author Rafael Espindola <rafael.espindola@gmail.com> Wed Oct 27 17:56:18 2010 +0000
committer Rafael Espindola <rafael.espindola@gmail.com> Wed Oct 27 17:56:18 2010 +0000
tree a598ae4a35f2e0801dd166a71659f7302962014a
parent 093177d5cde06dcb63829320f12195c32485a6d1

Produce an error for an invalid use of .symver.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117462 91177308-0d34-0410-b5e6-96231b3b80d8

lib/MC/ELFObjectWriter.cpp

diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index 54d8123..1904397 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -468,6 +468,11 @@
     if (!Symbol.isUndefined() && !Rest.startswith("@@@"))
       continue;
 
+    // FIXME: produce a better error message.
+    if (Symbol.isUndefined() && Rest.startswith("@@") &&
+        !Rest.startswith("@@@"))
+      report_fatal_error("A @@ version cannot be undefined");
+
     std::pair<const MCSymbol *, const MCSymbol *> t(&Symbol, &Alias);
     Renames.insert(t);
   }