1 files changed, 122 insertions, 0 deletions
diff --git a/testing/mozjs38/gcc-alignment.patch b/testing/mozjs38/gcc-alignment.patch
new file mode 100644
index 0000000000..a3a57d5447
--- /dev/null
+++ b/testing/mozjs38/gcc-alignment.patch
@@ -0,0 +1,122 @@
+--- a/js/src/jit/RegisterSets.h	2017-02-10 17:33:06.210702431 -0800
++++ b/js/src/jit/RegisterSets.h	2017-02-10 17:43:52.877514146 -0800
+@@ -7,7 +7,6 @@
+ #ifndef jit_RegisterSets_h
+ #define jit_RegisterSets_h
+ 
+-#include "mozilla/Alignment.h"
+ #include "mozilla/MathAlgorithms.h"
+ 
+ #include "jit/JitAllocPolicy.h"
+@@ -26,8 +25,8 @@
+     Code code_;
+ 
+   public:
+-    AnyRegister()
+-    { }
++    AnyRegister() = default;
++
+     explicit AnyRegister(Register gpr) {
+         code_ = gpr.code();
+     }
+@@ -156,7 +155,7 @@
+     }
+ #endif
+ 
+-    ValueOperand() {}
++    ValueOperand() = default;
+ };
+ 
+ // Registers to hold either either a typed or untyped value.
+@@ -165,46 +164,25 @@
+     // Type of value being stored.
+     MIRType type_;
+ 
+-    // Space to hold either an AnyRegister or a ValueOperand.
+     union U {
+-        mozilla::AlignedStorage2<AnyRegister> typed;
+-        mozilla::AlignedStorage2<ValueOperand> value;
++        AnyRegister typed;
++        ValueOperand value;
+     } data;
+ 
+-    AnyRegister& dataTyped() {
+-        MOZ_ASSERT(hasTyped());
+-        return *data.typed.addr();
+-    }
+-    ValueOperand& dataValue() {
+-        MOZ_ASSERT(hasValue());
+-        return *data.value.addr();
+-    }
+-
+-    AnyRegister dataTyped() const {
+-        MOZ_ASSERT(hasTyped());
+-        return *data.typed.addr();
+-    }
+-    const ValueOperand& dataValue() const {
+-        MOZ_ASSERT(hasValue());
+-        return *data.value.addr();
+-    }
+-
+   public:
+ 
+-    TypedOrValueRegister()
+-      : type_(MIRType_None)
+-    {}
++    TypedOrValueRegister() = default;
+ 
+     TypedOrValueRegister(MIRType type, AnyRegister reg)
+       : type_(type)
+     {
+-        dataTyped() = reg;
++        data.typed = reg;
+     }
+ 
+     MOZ_IMPLICIT TypedOrValueRegister(ValueOperand value)
+       : type_(MIRType_Value)
+     {
+-        dataValue() = value;
++        data.value = value;
+     }
+ 
+     MIRType type() const {
+@@ -220,11 +198,13 @@
+     }
+ 
+     AnyRegister typedReg() const {
+-        return dataTyped();
++        MOZ_ASSERT(hasTyped());
++        return data.typed;
+     }
+ 
+     ValueOperand valueReg() const {
+-        return dataValue();
++        MOZ_ASSERT(hasValue());
++        return data.value;
+     }
+ 
+     AnyRegister scratchReg() {
+@@ -240,19 +220,18 @@
+     // Whether a constant value is being stored.
+     bool constant_;
+ 
+-    // Space to hold either a Value or a TypedOrValueRegister.
+     union U {
+-        mozilla::AlignedStorage2<Value> constant;
+-        mozilla::AlignedStorage2<TypedOrValueRegister> reg;
++        Value constant;
++        TypedOrValueRegister reg;
+     } data;
+ 
+     Value& dataValue() {
+         MOZ_ASSERT(constant());
+-        return *data.constant.addr();
++        return data.constant;
+     }
+     TypedOrValueRegister& dataReg() {
+         MOZ_ASSERT(!constant());
+-        return *data.reg.addr();
++        return data.reg;
+     }
+ 
+   public: