1 files changed, 48 insertions, 0 deletions
diff --git a/community/chromium/gcc-fixes.patch b/community/chromium/gcc-fixes.patch
new file mode 100644
index 0000000000..4ccf75a287
--- /dev/null
+++ b/community/chromium/gcc-fixes.patch
@@ -0,0 +1,48 @@
+diff -up chromium-61.0.3163.79/base/numerics/safe_math_clang_gcc_impl.h.fixgccagain chromium-61.0.3163.79/base/numerics/safe_math_clang_gcc_impl.h
+--- chromium-61.0.3163.79/base/numerics/safe_math_clang_gcc_impl.h.fixgccagain	2017-09-06 15:48:27.560803028 -0400
++++ base/numerics/safe_math_clang_gcc_impl.h	2017-09-06 15:50:08.715853695 -0400
+@@ -126,6 +126,7 @@ struct ClampedAddFastOp {
+   }
+ };
+ 
++#if defined(__clang__)  // Not supported on GCC.
+ // This is the fastest negation on Intel, and a decent fallback on arm.
+ __attribute__((always_inline)) inline int8_t ClampedNegate(uint8_t value) {
+   uint8_t carry;
+@@ -169,6 +170,7 @@ __attribute__((always_inline)) inline in
+ __attribute__((always_inline)) inline int64_t ClampedNegate(int64_t value) {
+   return ClampedNegate(static_cast<uint64_t>(value));
+ }
++#endif
+ 
+ template <typename T, typename U>
+ struct ClampedSubFastOp {
+@@ -180,6 +182,7 @@ struct ClampedSubFastOp {
+       return ClampedSubFastAsmOp<T, U>::template Do<V>(x, y);
+     }
+ 
++#if defined(__clang__)  // Not supported on GCC.
+     // Fast path for generic clamped negation.
+     if (std::is_same<T, U>::value && std::is_same<U, V>::value &&
+         IsCompileTimeConstant(x) && x == 0 && !IsCompileTimeConstant(y)) {
+@@ -190,6 +193,7 @@ struct ClampedSubFastOp {
+               IntegerBitsPlusSign<T>::value, std::is_signed<T>::value>::type>(
+               y));
+     }
++#endif
+ 
+     V result;
+     return !__builtin_sub_overflow(x, y, &result)
+diff -up chromium-61.0.3163.79/base/numerics/safe_math_shared_impl.h.fixgcc3 chromium-61.0.3163.79/base/numerics/safe_math_shared_impl.h
+--- base/numerics/safe_math_shared_impl.h.fixgcc3	2017-09-06 16:30:15.898454585 -0400
++++ base/numerics/safe_math_shared_impl.h	2017-09-06 16:30:27.570229539 -0400
+@@ -21,8 +21,7 @@
+ #if !defined(__native_client__) &&                         \
+     ((defined(__clang__) &&                                \
+       ((__clang_major__ > 3) ||                            \
+-       (__clang_major__ == 3 && __clang_minor__ >= 4))) || \
+-     (defined(__GNUC__) && __GNUC__ >= 5))
++       (__clang_major__ == 3 && __clang_minor__ >= 4))))
+ #include "base/numerics/safe_math_clang_gcc_impl.h"
+ #define BASE_HAS_OPTIMIZED_SAFE_MATH (1)
+ #else