diff --git a/dep/vixl/include/vixl/aarch32/assembler-aarch32.h b/dep/vixl/include/vixl/aarch32/assembler-aarch32.h
index bb7df8404..d93088bcb 100644
--- a/dep/vixl/include/vixl/aarch32/assembler-aarch32.h
+++ b/dep/vixl/include/vixl/aarch32/assembler-aarch32.h
@@ -27,10 +27,10 @@
 #ifndef VIXL_AARCH32_ASSEMBLER_AARCH32_H_
 #define VIXL_AARCH32_ASSEMBLER_AARCH32_H_
 
-#include "assembler-base-vixl.h"
+#include "../assembler-base-vixl.h"
 
-#include "aarch32/instructions-aarch32.h"
-#include "aarch32/location-aarch32.h"
+#include "instructions-aarch32.h"
+#include "location-aarch32.h"
 
 namespace vixl {
 namespace aarch32 {
@@ -113,20 +113,6 @@ class Assembler : public internal::AssemblerBase {
 #elif defined(VIXL_INCLUDE_TARGET_T32_ONLY)
     USE(isa_);
     VIXL_ASSERT(isa == T32);
-#endif
-  }
-  explicit Assembler(size_t capacity, InstructionSet isa = kDefaultISA)
-      : AssemblerBase(capacity),
-        isa_(isa),
-        first_condition_(al),
-        it_mask_(0),
-        has_32_dregs_(true),
-        allow_unpredictable_(false),
-        allow_strongly_discouraged_(false) {
-#if defined(VIXL_INCLUDE_TARGET_A32_ONLY)
-    VIXL_ASSERT(isa == A32);
-#elif defined(VIXL_INCLUDE_TARGET_T32_ONLY)
-    VIXL_ASSERT(isa == T32);
 #endif
   }
   Assembler(byte* buffer, size_t capacity, InstructionSet isa = kDefaultISA)
@@ -214,7 +200,7 @@ class Assembler : public internal::AssemblerBase {
     VIXL_ASSERT(literal->IsManuallyPlaced());
     literal->SetLocation(this, GetCursorOffset());
     literal->MarkBound();
-    GetBuffer()->EnsureSpaceFor(literal->GetSize());
+    VIXL_ASSERT(GetBuffer()->HasSpaceFor(literal->GetSize()));
     GetBuffer()->EmitData(literal->GetDataAddress(), literal->GetSize());
   }
 
diff --git a/dep/vixl/include/vixl/aarch32/constants-aarch32.h b/dep/vixl/include/vixl/aarch32/constants-aarch32.h
index 6d79834d9..ea7244e21 100644
--- a/dep/vixl/include/vixl/aarch32/constants-aarch32.h
+++ b/dep/vixl/include/vixl/aarch32/constants-aarch32.h
@@ -32,7 +32,7 @@ extern "C" {
 #include <stdint.h>
 }
 
-#include "globals-vixl.h"
+#include "../globals-vixl.h"
 
 
 namespace vixl {
diff --git a/dep/vixl/include/vixl/aarch32/disasm-aarch32.h b/dep/vixl/include/vixl/aarch32/disasm-aarch32.h
index 46964081e..75a97dd8a 100644
--- a/dep/vixl/include/vixl/aarch32/disasm-aarch32.h
+++ b/dep/vixl/include/vixl/aarch32/disasm-aarch32.h
@@ -33,8 +33,8 @@ extern "C" {
 
 #include <iomanip>
 
-#include "aarch32/constants-aarch32.h"
-#include "aarch32/operands-aarch32.h"
+#include "constants-aarch32.h"
+#include "operands-aarch32.h"
 
 // Microsoft Visual C++ defines a `mvn` macro that conflicts with our own
 // definition.
diff --git a/dep/vixl/include/vixl/aarch32/instructions-aarch32.h b/dep/vixl/include/vixl/aarch32/instructions-aarch32.h
index 393f1ea42..b4c0014e3 100644
--- a/dep/vixl/include/vixl/aarch32/instructions-aarch32.h
+++ b/dep/vixl/include/vixl/aarch32/instructions-aarch32.h
@@ -34,9 +34,9 @@ extern "C" {
 #include <algorithm>
 #include <ostream>
 
-#include "code-buffer-vixl.h"
-#include "utils-vixl.h"
-#include "aarch32/constants-aarch32.h"
+#include "../code-buffer-vixl.h"
+#include "../utils-vixl.h"
+#include "constants-aarch32.h"
 
 #if defined(__arm__) && !defined(__SOFTFP__)
 #define HARDFLOAT __attribute__((noinline, pcs("aapcs-vfp")))
diff --git a/dep/vixl/include/vixl/aarch32/location-aarch32.h b/dep/vixl/include/vixl/aarch32/location-aarch32.h
index ae803f639..573a1f50e 100644
--- a/dep/vixl/include/vixl/aarch32/location-aarch32.h
+++ b/dep/vixl/include/vixl/aarch32/location-aarch32.h
@@ -36,9 +36,9 @@ extern "C" {
 #include <iomanip>
 #include <list>
 
-#include "invalset-vixl.h"
-#include "pool-manager.h"
-#include "utils-vixl.h"
+#include "../invalset-vixl.h"
+#include "../pool-manager.h"
+#include "../utils-vixl.h"
 
 #include "constants-aarch32.h"
 #include "instructions-aarch32.h"
diff --git a/dep/vixl/include/vixl/aarch32/macro-assembler-aarch32.h b/dep/vixl/include/vixl/aarch32/macro-assembler-aarch32.h
index 390b90880..2da8e00b2 100644
--- a/dep/vixl/include/vixl/aarch32/macro-assembler-aarch32.h
+++ b/dep/vixl/include/vixl/aarch32/macro-assembler-aarch32.h
@@ -28,15 +28,15 @@
 #ifndef VIXL_AARCH32_MACRO_ASSEMBLER_AARCH32_H_
 #define VIXL_AARCH32_MACRO_ASSEMBLER_AARCH32_H_
 
-#include "code-generation-scopes-vixl.h"
-#include "macro-assembler-interface.h"
-#include "pool-manager-impl.h"
-#include "pool-manager.h"
-#include "utils-vixl.h"
+#include "../code-generation-scopes-vixl.h"
+#include "../macro-assembler-interface.h"
+#include "../pool-manager-impl.h"
+#include "../pool-manager.h"
+#include "../utils-vixl.h"
 
-#include "aarch32/assembler-aarch32.h"
-#include "aarch32/instructions-aarch32.h"
-#include "aarch32/operands-aarch32.h"
+#include "assembler-aarch32.h"
+#include "instructions-aarch32.h"
+#include "operands-aarch32.h"
 
 namespace vixl {
 
@@ -272,20 +272,6 @@ class MacroAssembler : public Assembler, public MacroAssemblerInterface {
         true);
 #else
     USE(allow_macro_instructions_);
-#endif
-  }
-  explicit MacroAssembler(size_t size, InstructionSet isa = kDefaultISA)
-      : Assembler(size, isa),
-        available_(r12),
-        current_scratch_scope_(NULL),
-        pool_manager_(4 /*header_size*/,
-                      4 /*alignment*/,
-                      4 /*buffer_alignment*/),
-        generate_simulator_code_(VIXL_AARCH32_GENERATE_SIMULATOR_CODE),
-        pool_end_(NULL) {
-#ifdef VIXL_DEBUG
-    SetAllowMacroInstructions(  // NOLINT(clang-analyzer-optin.cplusplus.VirtualCall)
-        true);
 #endif
   }
   MacroAssembler(byte* buffer, size_t size, InstructionSet isa = kDefaultISA)
@@ -490,8 +476,7 @@ class MacroAssembler : public Assembler, public MacroAssemblerInterface {
 
   void EnsureEmitFor(uint32_t size) {
     EnsureEmitPoolsFor(size);
-    VIXL_ASSERT(GetBuffer()->HasSpaceFor(size) || GetBuffer()->IsManaged());
-    GetBuffer()->EnsureSpaceFor(size);
+    VIXL_ASSERT(GetBuffer()->HasSpaceFor(size));
   }
 
   bool AliasesAvailableScratchRegister(Register reg) {
diff --git a/dep/vixl/include/vixl/aarch32/operands-aarch32.h b/dep/vixl/include/vixl/aarch32/operands-aarch32.h
index 1f01d81b1..4630efacd 100644
--- a/dep/vixl/include/vixl/aarch32/operands-aarch32.h
+++ b/dep/vixl/include/vixl/aarch32/operands-aarch32.h
@@ -28,7 +28,7 @@
 #ifndef VIXL_AARCH32_OPERANDS_AARCH32_H_
 #define VIXL_AARCH32_OPERANDS_AARCH32_H_
 
-#include "aarch32/instructions-aarch32.h"
+#include "instructions-aarch32.h"
 
 namespace vixl {
 namespace aarch32 {
diff --git a/dep/vixl/src/aarch32/location-aarch32.cc b/dep/vixl/src/aarch32/location-aarch32.cc
index d61aafa99..35336fb9b 100644
--- a/dep/vixl/src/aarch32/location-aarch32.cc
+++ b/dep/vixl/src/aarch32/location-aarch32.cc
@@ -135,7 +135,7 @@ void Label::EmitPoolObject(MacroAssemblerInterface* masm) {
   MacroAssembler* macro_assembler = static_cast<MacroAssembler*>(masm);
 
   // Add a new branch to this label.
-  macro_assembler->GetBuffer()->EnsureSpaceFor(kMaxInstructionSizeInBytes);
+  VIXL_ASSERT(macro_assembler->GetBuffer()->HasSpaceFor(kMaxInstructionSizeInBytes));
   ExactAssemblyScopeWithoutPoolsCheck guard(macro_assembler,
                                             kMaxInstructionSizeInBytes,
                                             ExactAssemblyScope::kMaximumSize);
@@ -145,7 +145,7 @@ void Label::EmitPoolObject(MacroAssemblerInterface* masm) {
 void RawLiteral::EmitPoolObject(MacroAssemblerInterface* masm) {
   Assembler* assembler = static_cast<Assembler*>(masm->AsAssemblerBase());
 
-  assembler->GetBuffer()->EnsureSpaceFor(GetSize());
+  VIXL_ASSERT(assembler->GetBuffer()->HasSpaceFor(GetSize()));
   assembler->GetBuffer()->EmitData(GetDataAddress(), GetSize());
 }
 }