[TestCPPAuto] On linux, we need -fno-limit-debug-info.

[sivachandra]

Summary

Also xfailed for GCC as there is an problem with debug info generation.

lldb/trunk/packages/Python/lldbsuite/test/lang/cpp/auto/Makefile

 LEVEL = ../../../make
 
 CXX_SOURCES := main.cpp
 
+CFLAGS_EXTRAS += $(NO_LIMIT_DEBUG_INFO_FLAGS)
+
 include $(LEVEL)/Makefile.rules

lldb/trunk/packages/Python/lldbsuite/test/lang/cpp/auto/TestCPPAuto.py

 """
 Tests that auto types work
 """
 import lldb
 from lldbsuite.test.lldbtest import *
 import lldbsuite.test.lldbutil as lldbutil
 
 class CPPAutoTestCase(TestBase):
     
     mydir = TestBase.compute_mydir(__file__)
-    
+    @expectedFailureGcc("GCC does not generate complete debug info")
     def test_with_run_command(self):
         """Test that auto types work in the expression parser"""
         self.build()
         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
 
         line = line_number('main.cpp', '// break here')
         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", line, num_expected_locations=-1, loc_exact=False)
 
         self.runCmd("process launch", RUN_SUCCEEDED)
 
         self.expect('expr auto f = 123456; f', substrs=['int', '123456'])
         self.expect('expr struct Test { int x; int y; Test() : x(123), y(456) {} }; auto t = Test(); t', substrs=['Test', '123', '456'])
         self.expect('expr auto s = helloworld; s', substrs=['string', 'hello world'])

lldb/trunk/packages/Python/lldbsuite/test/make/Makefile.rules

else
   endif
 
   ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
     DSYM = $(EXE).debug
   endif
 endif
 
 LIMIT_DEBUG_INFO_FLAGS =
+NO_LIMIT_DEBUG_INFO_FLAGS =
 ifneq (,$(findstring clang,$(CC)))
    LIMIT_DEBUG_INFO_FLAGS += -flimit-debug-info
+   NO_LIMIT_DEBUG_INFO_FLAGS += -fno-limit-debug-info
 endif
 
 DEBUG_INFO_FLAG ?= -g
 
 CFLAGS ?= $(DEBUG_INFO_FLAG) -O0 -fno-builtin
 ifeq "$(OS)" "Darwin"
   CFLAGS += $(ARCHFLAG) $(ARCH) $(FRAMEWORK_INCLUDES) $(CFLAGS_EXTRAS) -I$(LLDB_BASE_DIR)include
 else