Subzero: Work around another llvm-mc parser bug for relocatable symbols.

tests_lit/llvm2ice_tests/globalinit.pnacl.ll

 ; Test of global initializers.
 
 ; RUN: %llvm2ice --verbose inst %s | FileCheck %s
 ; RUN: %llvm2ice --verbose none %s \
 ; RUN:     | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj
 ; RUN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s
 ; RUN: %llvm2iceinsts %s | %szdiff %s | FileCheck --check-prefix=DUMP %s
 
 @PrimitiveInit = internal global [4 x i8] c"\1B\00\00\00", align 4
 ; CHECK: .data
@@ skipping 74 matching lines @@
   %expanded7 = ptrtoint [4 x i8]* @PrimitiveUninit to i32
   call void @use(i32 %expanded7)
   %expanded9 = ptrtoint [20 x i8]* @ArrayInit to i32
   call void @use(i32 %expanded9)
   %expanded11 = ptrtoint [40 x i8]* @ArrayInitPartial to i32
   call void @use(i32 %expanded11)
   %expanded13 = ptrtoint [20 x i8]* @ArrayUninit to i32
   call void @use(i32 %expanded13)
   ret i32 0
 }
-; CHECK: entry:
+; CHECK-LABEL: main
+; CHECK: .att_syntax
+; CHECK: leal PrimitiveInit,
+; CHECK: .intel_syntax
+; CHECK: .att_syntax
+; CHECK: leal PrimitiveInitConst,
+; CHECK: .intel_syntax
+; CHECK: .att_syntax
+; CHECK: leal PrimitiveInitStatic,
+; CHECK: .intel_syntax
+; CHECK: .att_syntax
+; CHECK: leal PrimitiveUninit,
+; CHECK: .intel_syntax
+; CHECK: .att_syntax
+; CHECK: leal ArrayInit,
+; CHECK: .intel_syntax
+; CHECK: .att_syntax
+; CHECK: leal ArrayInitPartial,
+; CHECK: .intel_syntax
+; CHECK: .att_syntax
+; CHECK: leal ArrayUninit,
+; CHECK: .intel_syntax
 
 declare void @use(i32)
 
 define internal i32 @nacl_tp_tdb_offset(i32 %__0) {
 entry:
   ret i32 0
 }
 
 define internal i32 @nacl_tp_tls_offset(i32 %size) {
 entry:
   %result = sub i32 0, %size
   ret i32 %result
 }
 
 ; ERRORS-NOT: ICE translation error
 ; DUMP-NOT: SZ