LibSass 3.4.3 (#1848)

* Bump LibSass to 3.4.3

* Update sourcemap test fixtures to match new LibSass behaviour

* Bump sass-spec@v3.4.3

package.json

 {
   "name": "node-sass",
   "version": "4.1.1",
-  "libsass": "3.4.0",
+  "libsass": "3.4.3",
   "description": "Wrapper around libsass",
   "license": "MIT",
   "bugs": "https://github.com/sass/node-sass/issues",
@@ -81,6 +81,6 @@
     "object-merge": "^2.5.1",
     "read-yaml": "^1.0.0",
     "rimraf": "^2.5.2",
-    "sass-spec": "3.4.0"
+    "sass-spec": "3.4.3"
   }
 }

libsass @ b28de012

-Subproject commit 5b92405db76df2acf620fbaf37e3d1c3662af720
+Subproject commit b28de01270a663b3e89427a18816732c4d573c1d

src/libsass.gyp

@@ -32,7 +32,7 @@
         'libsass/src/json.cpp',
         'libsass/src/lexer.cpp',
         'libsass/src/listize.cpp',
-        'libsass/src/memory_manager.cpp',
+        'libsass/src/memory/SharedPtr.cpp',
         'libsass/src/node.cpp',
         'libsass/src/output.cpp',
         'libsass/src/parser.cpp',
@@ -47,6 +47,7 @@
         'libsass/src/sass_util.cpp',
         'libsass/src/sass_values.cpp',
         'libsass/src/source_map.cpp',
+        'libsass/src/subset_map.cpp',
         'libsass/src/to_c.cpp',
         'libsass/src/to_value.cpp',
         'libsass/src/units.cpp',

test/fixtures/source-map-embed/expected.css

@@ -10,4 +10,4 @@
   #navbar li a {
     font-weight: bold; }
 
-/*# sourceMappingURL=data:application/json;base64,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 */
+/*# sourceMappingURL=data:application/json;base64,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 */

test/fixtures/source-map/expected.map

@@ -5,5 +5,5 @@
 		"index.scss"
 	],
 	"names": [],
-	"mappings": "AAAA,AAAA,OAAO,CAAC;EACN,KAAK,EAAE,GAAG;EACV,MAAM,EAAE,IAAI,GACb;;AAED,AAAA,OAAO,CAAC,EAAE,CAAC;EACT,eAAe,EAAE,IAAI,GACtB;;AAED,AAAA,OAAO,CAAC,EAAE,CAAC;EACT,KAAK,EAAE,IAAI,GAKZ;EAND,AAGE,OAHK,CAAC,EAAE,CAGR,CAAC,CAAC;IACA,WAAW,EAAE,IAAI,GAClB"
+	"mappings": "AAAA,AAAA,OAAO,CAAC;EACN,KAAK,EAAE,GAAG;EACV,MAAM,EAAE,IAAI,GACb;;AAED,AAAQ,OAAD,CAAC,EAAE,CAAC;EACT,eAAe,EAAE,IAAI,GACtB;;AAED,AAAQ,OAAD,CAAC,EAAE,CAAC;EACT,KAAK,EAAE,IAAI,GAKZ;EAND,AAGE,OAHK,CAAC,EAAE,CAGR,CAAC,CAAC;IACA,WAAW,EAAE,IAAI,GAClB"
 }