Enable a test in TestSTL for GCC.

Summary:
Remove @skipIfGcc from a test in TestSTL as that test passes with GCC
now. Also, mark one of the dsym tests with @skipUnlessDarwin in TestSTL.

Test Plan: dotest.py -C gcc -p TestSTL

Reviewers: vharron

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D8793

llvm-svn: 234243

lldb/test/lang/cpp/stl/TestSTL.py

@@ -31,12 +31,12 @@ def test_with_dwarf(self):
 
     @python_api_test
     @dsym_test
+    @skipUnlessDarwin
     def test_SBType_template_aspects_with_dsym(self):
         """Test APIs for getting template arguments from an SBType."""
         self.buildDsym()
         self.sbtype_template_apis()
 
-    @skipIfGcc # llvm.org/pr15036: crashes during DWARF parsing when built with GCC
     @expectedFailureIcc # icc 13.1 and 14-beta do not emit DW_TAG_template_type_parameter
     @python_api_test
     @dwarf_test