[ORC] Make sure we add initializers to the SymbolFlags map for objects.

Author: lhames

llvm/lib/ExecutionEngine/Orc/Mangling.cpp

@@ -119,6 +119,7 @@ getObjectSymbolInfo(ExecutionSession &ES, MemoryBufferRef ObjBuffer) {
         raw_string_ostream(InitSymString)
             << "$." << ObjBuffer.getBufferIdentifier() << ".__inits";
         InitSymbol = ES.intern(InitSymString);
+        SymbolFlags[InitSymbol] = JITSymbolFlags();
         break;
       }
     }

llvm/test/ExecutionEngine/JITLink/X86/MachO_initializers.s

@@ -0,0 +1,21 @@
+# RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o %t.o %s
+# RUN: llvm-jitlink -noexec %t.o
+
+        .section	__TEXT,__text,regular,pure_instructions
+	.macosx_version_min 10, 14	sdk_version 10, 15
+
+        .globl  _main
+_main:
+        retq
+
+        .section	__TEXT,__StaticInit,regular,pure_instructions
+	.p2align	4, 0x90
+_foo:
+        retq
+
+
+	.section	__DATA,__mod_init_func,mod_init_funcs
+	.p2align	3
+	.quad   _foo
+
+.subsections_via_symbols