Subzero. Enables moar complex relocation offsets.

Makefile.standalone

 # The following variables will likely need to be modified, depending on where
 # and how you built LLVM & Clang. They can be overridden in a command-line
 # invocation of make, like:
 #
 #   make LLVM_SRC_PATH=<path> LIBCXX_INSTALL_PATH=<path> CLANG_PATH=<path> \
 #        PNACL_BIN_PATH=<path> ...
 #
 
 # LLVM_SRC_PATH is the path to the root of the checked out source code. This
 # directory should contain the configure script, the include/ and lib/
@@ skipping 124 matching lines @@
   LD_EXTRA += -fsanitize=memory
 endif
 
 ifdef FORCEASM
   FORCEASM_FLAG = --filetype=asm
   # With --filetype=asm and --sandbox, the llvm-mc assembler emits the lock and
   # 16-bit prefixes in the "wrong" order, causing the validator to reject the
   # resulting nexe.  So we just disable those tests for now.
   FORCEASM_XTEST_EXCLUDES = -e x8632,sandbox,test_sync_atomic
   FORCEASM_LIT_PARAM = --param=FORCEASM
-  # x86 sandboxing lit tests are disabled because llvm-mc uses different
-  # relocations for pushing return addresses onto the stack.
+  # x86 sandboxing lit tests are disabled because filetype=asm does not
+  # handle bundle_lock pad-to-end correctly.
   # TODO(jpp): fix this.
   FORCEASM_LIT_TEST_EXCLUDES = --filter='^(?!.*/x86/sandboxing.ll).*'
 else
   FORCEASM_FLAG =
   FORCEASM_XTEST_EXCLUDES =
   FORCEASM_LIT_PARAM =
   FORCEASM_LIT_TEST_EXCLUDES =
 endif
 
 SB_OBJDIR := $(OBJDIR)+Sandboxed
@@ skipping 412 matching lines @@
         @cat Makefile.standalone-help/check-lit.txt
 
 help-check-xtest:
         @cat Makefile.standalone-help/check-xtest.txt
 
 clean:
         rm -rf pnacl-sz *.o $(OBJDIR) $(SB_OBJDIR) build/pnacl-sz.bloat.json
 
 clean-all: clean
         rm -rf build/  crosstest/Output/