Revert "ELFDumper: Unversioned symbols must not have trailing @"

This reverts commit 8df7a877949e8782a3a28e3ecdb0770c1e444056.

Fixing other repositories and adding changes together.

llvm-svn: 280152
diff --git a/llvm/test/tools/llvm-readobj/mips-got.test b/llvm/test/tools/llvm-readobj/mips-got.test
index 599be75..2021587 100644
--- a/llvm/test/tools/llvm-readobj/mips-got.test
+++ b/llvm/test/tools/llvm-readobj/mips-got.test
@@ -52,7 +52,7 @@
 GOT-EXE-NEXT:       Value: 0x0
 GOT-EXE-NEXT:       Type: Function (0x2)
 GOT-EXE-NEXT:       Section: Undefined (0x0)
-GOT-EXE-NEXT:       Name: __gmon_start__ (1)
+GOT-EXE-NEXT:       Name: __gmon_start__@ (1)
 GOT-EXE-NEXT:     }
 GOT-EXE-NEXT:   ]
 GOT-EXE-NEXT:   Number of TLS and multi-GOT entries: 0
@@ -124,7 +124,7 @@
 GOT-SO-NEXT:       Value: 0x0
 GOT-SO-NEXT:       Type: None (0x0)
 GOT-SO-NEXT:       Section: Undefined (0x0)
-GOT-SO-NEXT:       Name: _ITM_registerTMCloneTable (87)
+GOT-SO-NEXT:       Name: _ITM_registerTMCloneTable@ (87)
 GOT-SO-NEXT:     }
 GOT-SO-NEXT:     Entry {
 GOT-SO-NEXT:       Address: 0x1090C
@@ -133,7 +133,7 @@
 GOT-SO-NEXT:       Value: 0x0
 GOT-SO-NEXT:       Type: None (0x0)
 GOT-SO-NEXT:       Section: Undefined (0x0)
-GOT-SO-NEXT:       Name: _Jv_RegisterClasses (128)
+GOT-SO-NEXT:       Name: _Jv_RegisterClasses@ (128)
 GOT-SO-NEXT:     }
 GOT-SO-NEXT:     Entry {
 GOT-SO-NEXT:       Address: 0x10910
@@ -142,7 +142,7 @@
 GOT-SO-NEXT:       Value: 0x0
 GOT-SO-NEXT:       Type: Function (0x2)
 GOT-SO-NEXT:       Section: Undefined (0x0)
-GOT-SO-NEXT:       Name: __gmon_start__ (23)
+GOT-SO-NEXT:       Name: __gmon_start__@ (23)
 GOT-SO-NEXT:     }
 GOT-SO-NEXT:     Entry {
 GOT-SO-NEXT:       Address: 0x10914
@@ -160,7 +160,7 @@
 GOT-SO-NEXT:       Value: 0x0
 GOT-SO-NEXT:       Type: None (0x0)
 GOT-SO-NEXT:       Section: Undefined (0x0)
-GOT-SO-NEXT:       Name: _ITM_deregisterTMCloneTable (59)
+GOT-SO-NEXT:       Name: _ITM_deregisterTMCloneTable@ (59)
 GOT-SO-NEXT:     }
 GOT-SO-NEXT:     Entry {
 GOT-SO-NEXT:       Address: 0x1091C
@@ -256,7 +256,7 @@
 GOT-TLS-NEXT:       Value: 0x0
 GOT-TLS-NEXT:       Type: None (0x0)
 GOT-TLS-NEXT:       Section: Undefined (0x0)
-GOT-TLS-NEXT:       Name: _ITM_registerTMCloneTable (78)
+GOT-TLS-NEXT:       Name: _ITM_registerTMCloneTable@ (78)
 GOT-TLS-NEXT:     }
 GOT-TLS-NEXT:     Entry {
 GOT-TLS-NEXT:       Address: 0x10C70
@@ -265,7 +265,7 @@
 GOT-TLS-NEXT:       Value: 0x0
 GOT-TLS-NEXT:       Type: None (0x0)
 GOT-TLS-NEXT:       Section: Undefined (0x0)
-GOT-TLS-NEXT:       Name: _Jv_RegisterClasses (119)
+GOT-TLS-NEXT:       Name: _Jv_RegisterClasses@ (119)
 GOT-TLS-NEXT:     }
 GOT-TLS-NEXT:     Entry {
 GOT-TLS-NEXT:       Address: 0x10C78
@@ -274,7 +274,7 @@
 GOT-TLS-NEXT:       Value: 0x0
 GOT-TLS-NEXT:       Type: Function (0x2)
 GOT-TLS-NEXT:       Section: Undefined (0x0)
-GOT-TLS-NEXT:       Name: __gmon_start__ (23)
+GOT-TLS-NEXT:       Name: __gmon_start__@ (23)
 GOT-TLS-NEXT:     }
 GOT-TLS-NEXT:     Entry {
 GOT-TLS-NEXT:       Address: 0x10C80
@@ -292,7 +292,7 @@
 GOT-TLS-NEXT:       Value: 0x0
 GOT-TLS-NEXT:       Type: None (0x0)
 GOT-TLS-NEXT:       Section: Undefined (0x0)
-GOT-TLS-NEXT:       Name: _ITM_deregisterTMCloneTable (50)
+GOT-TLS-NEXT:       Name: _ITM_deregisterTMCloneTable@ (50)
 GOT-TLS-NEXT:     }
 GOT-TLS-NEXT:     Entry {
 GOT-TLS-NEXT:       Address: 0x10C90