[Disassembler] Delete the VStream parameter of MCDisassembler::getInstruction()

The argument is llvm::null() everywhere except llvm::errs() in
llvm-objdump in -DLLVM_ENABLE_ASSERTIONS=On builds. It is used by no
target but X86 in -DLLVM_ENABLE_ASSERTIONS=On builds.

If we ever have the needs to add verbose log to disassemblers, we can
record log with a member function, instead of passing it around as an
argument.

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/MC/MCDisassembler/MCDisassembler.cpp b/llvm/lib/MC/MCDisassembler/MCDisassembler.cpp
index 96c1643..373916f 100644
--- a/llvm/lib/MC/MCDisassembler/MCDisassembler.cpp
+++ b/llvm/lib/MC/MCDisassembler/MCDisassembler.cpp
@@ -16,9 +16,10 @@ using namespace llvm;
 
 MCDisassembler::~MCDisassembler() = default;
 
-MCDisassembler::DecodeStatus MCDisassembler::onSymbolStart(
-    StringRef Name, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address,
-    raw_ostream &VStream, raw_ostream &CStream) const {
+MCDisassembler::DecodeStatus
+MCDisassembler::onSymbolStart(StringRef Name, uint64_t &Size,
+                              ArrayRef<uint8_t> Bytes, uint64_t Address,
+                              raw_ostream &CStream) const {
   Size = 0;
   return MCDisassembler::Success;
 }