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authorAbseil Team <absl-team@google.com>2020-03-20T16·47-0700
committervslashg <gfalcon@google.com>2020-03-20T20·56-0400
commit092ed9793a1ad0e7e418f32c057bf3159a71cd04 (patch)
tree6c63b7780285d8c498a62300ebfdb40c22d803fb /absl
parent2d2a8aea291c4877e75c7991a61e57d7e12b5373 (diff)
Export of internal Abseil changes
--
93dd18f415e54697965c56760612b4ff6c9d15d2 by Derek Mauro <dmauro@google.com>:

Implement Bazel's --distdir flag avoid a dependency on GitHub being up.
Move the Docker container identifiers to a common file.

PiperOrigin-RevId: 302045549

--
7b462d31139e3153462cd20ae63b161ac749e839 by Derek Mauro <dmauro@google.com>:

Fix an unused variable warning in optional.h

PiperOrigin-RevId: 301810782

--
6b533ba9170eed065aec69e48ebab3279fcb3e09 by Abseil Team <absl-team@google.com>:

Disable ASan and MSan instrumentation for AArch64 stack unwind functions. They read random locations on the stack and might step on sanitizer's redzones.

PiperOrigin-RevId: 301674204
GitOrigin-RevId: 93dd18f415e54697965c56760612b4ff6c9d15d2
Change-Id: I2d84d66b054f90b851fb3a968679f112dfe84636
Diffstat (limited to 'absl')
-rw-r--r--absl/debugging/internal/stacktrace_aarch64-inl.inc4
-rw-r--r--absl/types/optional.h4
2 files changed, 6 insertions, 2 deletions
diff --git a/absl/debugging/internal/stacktrace_aarch64-inl.inc b/absl/debugging/internal/stacktrace_aarch64-inl.inc
index 411ea308e90b..14a76f1eb5b3 100644
--- a/absl/debugging/internal/stacktrace_aarch64-inl.inc
+++ b/absl/debugging/internal/stacktrace_aarch64-inl.inc
@@ -74,6 +74,8 @@ static inline uintptr_t ComputeStackFrameSize(const T* low,
 // checks (the strictness of which is controlled by the boolean parameter
 // "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned.
 template<bool STRICT_UNWINDING, bool WITH_CONTEXT>
+ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS  // May read random elements from stack.
+ABSL_ATTRIBUTE_NO_SANITIZE_MEMORY   // May read random elements from stack.
 static void **NextStackFrame(void **old_frame_pointer, const void *uc) {
   void **new_frame_pointer = reinterpret_cast<void**>(*old_frame_pointer);
   bool check_frame_size = true;
@@ -123,6 +125,8 @@ static void **NextStackFrame(void **old_frame_pointer, const void *uc) {
 }
 
 template <bool IS_STACK_FRAMES, bool IS_WITH_CONTEXT>
+ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS  // May read random elements from stack.
+ABSL_ATTRIBUTE_NO_SANITIZE_MEMORY   // May read random elements from stack.
 static int UnwindImpl(void** result, int* sizes, int max_depth, int skip_count,
                       const void *ucp, int *min_dropped_frames) {
 #ifdef __GNUC__
diff --git a/absl/types/optional.h b/absl/types/optional.h
index 01d747d78bb2..afda69a0b175 100644
--- a/absl/types/optional.h
+++ b/absl/types/optional.h
@@ -136,10 +136,10 @@ class optional : private optional_internal::optional_data<T>,
   constexpr optional(nullopt_t) noexcept {}  // NOLINT(runtime/explicit)
 
   // Copy constructor, standard semantics
-  optional(const optional& src) = default;
+  optional(const optional&) = default;
 
   // Move constructor, standard semantics
-  optional(optional&& src) = default;
+  optional(optional&&) = default;
 
   // Constructs a non-empty `optional` direct-initialized value of type `T` from
   // the arguments `std::forward<Args>(args)...`  within the `optional`.