Add AddressSanitizer and MemorySanitizer support

Author: elichai

.travis.yml

@@ -55,9 +55,19 @@ script:
   - cargo run --example generate_keys --features=rand
   - if [ ${TRAVIS_RUST_VERSION} == "stable" ]; then cargo doc --verbose --features="rand,serde,recovery,endomorphism"; fi
   - if [ ${TRAVIS_RUST_VERSION} == "nightly" ]; then cargo test --verbose --benches --features=unstable; fi
-  - if [ ${TRAVIS_RUST_VERSION} == "nightly" -a "$TRAVIS_OS_NAME" = "linux" ]; then
-    cd no_std_test &&
-    cargo run --release | grep -q "Verified Successfully";
+  - |
+    if [ ${TRAVIS_RUST_VERSION} == "nightly" -a "$TRAVIS_OS_NAME" = "linux" ]; then
+    cargo clean
+    rustup component add rust-src
+    CC='clang -fsanitize=address -fno-omit-frame-pointer'                                        \
+    RUSTFLAGS='-Zsanitizer=address -Clinker=clang -Cforce-frame-pointers=yes'                    \
+    ASAN_OPTIONS='detect_leaks=1 detect_invalid_pointer_pairs=1 detect_stack_use_after_return=1' \
+    cargo test --lib --verbose --features="rand-std serde recovery bitcoin_hashes" -Zbuild-std --target x86_64-unknown-linux-gnu &&
+    cargo clean &&
+    CC='clang -fsanitize=memory -fno-omit-frame-pointer'                                         \
+    RUSTFLAGS='-Zsanitizer=memory -Zsanitizer-memory-track-origins -Cforce-frame-pointers=yes'   \
+    cargo test --lib --verbose --features="rand-std serde recovery bitcoin_hashes" -Zbuild-std --target x86_64-unknown-linux-gnu &&
+    cd no_std_test && cargo run --release | grep -q "Verified Successfully"
     fi
   - if [ ${TRAVIS_RUST_VERSION} == "stable" -a "$TRAVIS_OS_NAME" = "linux" ]; then
     clang --version &&