Fix various problems

Author: quantum5

src/deps_info.json

@@ -2,15 +2,15 @@
   "arc4random": ["rand"],
   "freopen": ["free"],
   "munmap": ["emscripten_builtin_free", "free"],
-  "getenv": ["emscripten_builtin_malloc", "emscripten_builtin_free", "_get_environ"],
+  "getenv": ["emscripten_builtin_malloc", "emscripten_builtin_free", "malloc", "free", "_get_environ"],
   "clearenv": ["_get_environ"],
   "setenv": ["_get_environ"],
   "unsetenv": ["_get_environ"],
   "putenv": ["_get_environ"],
   "environ": ["_get_environ"],
   "fmtmsg": ["_get_environ"],
   "get_current_dir_name": ["_get_environ"],
-  "SDL_getenv": ["emscripten_builtin_malloc", "emscripten_builtin_free", "_get_environ"],
+  "SDL_getenv": ["emscripten_builtin_malloc", "emscripten_builtin_free", "malloc", "free", "_get_environ"],
   "SDL_putenv": ["_get_environ"],
   "dlerror": ["malloc", "free"],
   "readdir": ["malloc"],

src/library.js

@@ -927,8 +927,13 @@ LibraryManager.library = {
     name = UTF8ToString(name);
     if (!ENV.hasOwnProperty(name)) return 0;
 
+#if WASM_BACKEND
     if (_getenv.ret) _emscripten_builtin_free(_getenv.ret);
     _getenv.ret = allocateUTF8(ENV[name], _emscripten_builtin_malloc);
+#else
+    if (_getenv.ret) _free(_getenv.ret);
+    _getenv.ret = allocateUTF8(ENV[name]);
+#endif
     return _getenv.ret;
   },
   // Alias for sanitizers which intercept getenv.

src/library_syscall.js

@@ -972,7 +972,7 @@ var SyscallsLibrary = {
     {{{ makeSetValue('rlim', C_STRUCTS.rlimit.rlim_max + 4, '-1', 'i32') }}};  // RLIM_INFINITY
     return 0; // just report no limits
   },
-  __syscall192__deps: ['emscripten_builtin_memalign'],
+  __syscall192__deps: ['emscripten_builtin_memalign', 'memalign'],
   __syscall192: function(which, varargs) { // mmap2
     var addr = SYSCALLS.get(), len = SYSCALLS.get(), prot = SYSCALLS.get(), flags = SYSCALLS.get(), fd = SYSCALLS.get(), off = SYSCALLS.get()
     off <<= 12; // undo pgoffset

system/lib/compiler-rt/lib/lsan/lsan_common.cc

@@ -691,7 +691,7 @@ static Suppression *GetSuppressionForStack(u32 stack_trace_id) {
 #if SANITIZER_EMSCRIPTEN
     // On Emscripten, the stack trace is the actual call site, not
     // the code that would be executed after the return.
-    // THerefore, StackTrace::GetPreviousInstructionPc is not needed.
+    // Therefore, StackTrace::GetPreviousInstructionPc is not needed.
     Suppression *s = GetSuppressionForAddr(stack.trace[i]);
 #else
     Suppression *s = GetSuppressionForAddr(