diff --git a/libphobos/libdruntime/core/stdc/fenv.d b/libphobos/libdruntime/core/stdc/fenv.d
index 88123fb16a6..5242ba9d4e2 100644
--- a/libphobos/libdruntime/core/stdc/fenv.d
+++ b/libphobos/libdruntime/core/stdc/fenv.d
@@ -483,7 +483,7 @@ else version (CRuntime_UClibc)
 
         alias fexcept_t = ushort;
     }
-    else version (MIPS32)
+    else version (MIPS_Any)
     {
         struct fenv_t
         {
diff --git a/libphobos/libdruntime/core/stdc/math.d b/libphobos/libdruntime/core/stdc/math.d
index 0393ea52c07..51fd68f9fc3 100644
--- a/libphobos/libdruntime/core/stdc/math.d
+++ b/libphobos/libdruntime/core/stdc/math.d
@@ -120,7 +120,7 @@ else version (CRuntime_UClibc)
         ///
         enum int FP_ILOGBNAN      = int.min;
     }
-    else version (MIPS32)
+    else version (MIPS_Any)
     {
         ///
         enum int FP_ILOGB0        = -int.max;
diff --git a/libphobos/libdruntime/core/sys/posix/dlfcn.d b/libphobos/libdruntime/core/sys/posix/dlfcn.d
index a9519ca234a..24fa3787ec4 100644
--- a/libphobos/libdruntime/core/sys/posix/dlfcn.d
+++ b/libphobos/libdruntime/core/sys/posix/dlfcn.d
@@ -387,7 +387,7 @@ else version (CRuntime_UClibc)
         enum RTLD_LOCAL             = 0;
         enum RTLD_NODELETE          = 0x01000;
     }
-    else version (MIPS32)
+    else version (MIPS_Any)
     {
         enum RTLD_LAZY              = 0x0001;
         enum RTLD_NOW               = 0x0002;
diff --git a/libphobos/libdruntime/core/sys/posix/setjmp.d b/libphobos/libdruntime/core/sys/posix/setjmp.d
index 91e3a19d081..5a15d82d2ee 100644
--- a/libphobos/libdruntime/core/sys/posix/setjmp.d
+++ b/libphobos/libdruntime/core/sys/posix/setjmp.d
@@ -370,6 +370,22 @@ else version (CRuntime_UClibc)
                 double[6] __fpregs;
         }
     }
+    else version (MIPS64)
+    {
+        struct __jmp_buf
+        {
+            long __pc;
+            long __sp;
+            long[8] __regs;
+            long __fp;
+            long __gp;
+            int __fpc_csr;
+            version (MIPS_N64)
+                double[8] __fpregs;
+            else
+                double[6] __fpregs;
+        }
+    }
     else
         static assert(0, "unimplemented");
 
diff --git a/libphobos/libdruntime/core/sys/posix/sys/types.d b/libphobos/libdruntime/core/sys/posix/sys/types.d
index ec229dd3b2b..3e515c4c68e 100644
--- a/libphobos/libdruntime/core/sys/posix/sys/types.d
+++ b/libphobos/libdruntime/core/sys/posix/sys/types.d
@@ -1140,6 +1140,18 @@ else version (CRuntime_UClibc)
         enum __SIZEOF_PTHREAD_BARRIER_T     = 20;
         enum __SIZEOF_PTHREAD_BARRIERATTR_T = 4;
      }
+     else version (MIPS64)
+     {
+        enum __SIZEOF_PTHREAD_ATTR_T        = 56;
+        enum __SIZEOF_PTHREAD_MUTEX_T       = 40;
+        enum __SIZEOF_PTHREAD_MUTEXATTR_T   = 4;
+        enum __SIZEOF_PTHREAD_COND_T        = 48;
+        enum __SIZEOF_PTHREAD_CONDATTR_T    = 4;
+        enum __SIZEOF_PTHREAD_RWLOCK_T      = 56;
+        enum __SIZEOF_PTHREAD_RWLOCKATTR_T  = 8;
+        enum __SIZEOF_PTHREAD_BARRIER_T     = 32;
+        enum __SIZEOF_PTHREAD_BARRIERATTR_T = 4;
+     }
      else version (ARM)
      {
         enum __SIZEOF_PTHREAD_ATTR_T = 36;
diff --git a/libphobos/src/std/path.d b/libphobos/src/std/path.d
index de180fcc548..777d8b924dd 100644
--- a/libphobos/src/std/path.d
+++ b/libphobos/src/std/path.d
@@ -3959,7 +3959,7 @@ string expandTilde(string inputPath) @safe nothrow
     version (Posix)
     {
         import core.exception : onOutOfMemoryError;
-        import core.stdc.errno : errno, ERANGE;
+        import core.stdc.errno : errno, EBADF, ENOENT, EPERM, ERANGE, ESRCH;
         import core.stdc.stdlib : malloc, free, realloc;
 
         /*  Joins a path from a C string to the remainder of path.
@@ -4065,7 +4065,7 @@ string expandTilde(string inputPath) @safe nothrow
                 char[] extra_memory;
 
                 passwd result;
-                while (1)
+                loop: while (1)
                 {
                     extra_memory.length += extra_memory_size;
 
@@ -4088,10 +4088,23 @@ string expandTilde(string inputPath) @safe nothrow
                         break;
                     }
 
-                    if (errno != ERANGE &&
+                    switch (errno)
+                    {
+                        case ERANGE:
                         // On BSD and OSX, errno can be left at 0 instead of set to ERANGE
-                        errno != 0)
-                        onOutOfMemoryError();
+                        case 0:
+                            break;
+
+                        case ENOENT:
+                        case ESRCH:
+                        case EBADF:
+                        case EPERM:
+                            // The given name or uid was not found.
+                            break loop;
+
+                        default:
+                            onOutOfMemoryError();
+                    }
 
                     // extra_memory isn't large enough
                     import core.checkedint : mulu;
diff --git a/libphobos/src/std/random.d b/libphobos/src/std/random.d
index 106e51ceedb..c23eac9843e 100644
--- a/libphobos/src/std/random.d
+++ b/libphobos/src/std/random.d
@@ -2516,7 +2516,7 @@ if (!is(T == enum) && (isIntegral!T || isSomeChar!T))
     assert(rnd.uniform!ulong == 4838462006927449017);
 
     enum Fruit { apple, mango, pear }
-    version (X86_64) // https://issues.dlang.org/show_bug.cgi?id=15147
+    version (D_LP64) // https://issues.dlang.org/show_bug.cgi?id=15147
     assert(rnd.uniform!Fruit == Fruit.mango);
 }
 
@@ -2783,7 +2783,7 @@ auto ref choice(Range)(auto ref Range range)
     auto rnd = MinstdRand0(42);
 
     auto elem  = [1, 2, 3, 4, 5].choice(rnd);
-    version (X86_64) // https://issues.dlang.org/show_bug.cgi?id=15147
+    version (D_LP64) // https://issues.dlang.org/show_bug.cgi?id=15147
     assert(elem == 3);
 }
 
@@ -2865,7 +2865,7 @@ if (isRandomAccessRange!Range)
     auto rnd = MinstdRand0(42);
 
     auto arr = [1, 2, 3, 4, 5].randomShuffle(rnd);
-    version (X86_64) // https://issues.dlang.org/show_bug.cgi?id=15147
+    version (D_LP64) // https://issues.dlang.org/show_bug.cgi?id=15147
     assert(arr == [3, 5, 2, 4, 1]);
 }
 
@@ -2955,15 +2955,15 @@ if (isRandomAccessRange!Range)
     auto arr = [1, 2, 3, 4, 5, 6];
     arr = arr.dup.partialShuffle(1, rnd);
 
-    version (X86_64) // https://issues.dlang.org/show_bug.cgi?id=15147
+    version (D_LP64) // https://issues.dlang.org/show_bug.cgi?id=15147
     assert(arr == [2, 1, 3, 4, 5, 6]); // 1<->2
 
     arr = arr.dup.partialShuffle(2, rnd);
-    version (X86_64) // https://issues.dlang.org/show_bug.cgi?id=15147
+    version (D_LP64) // https://issues.dlang.org/show_bug.cgi?id=15147
     assert(arr == [1, 4, 3, 2, 5, 6]); // 1<->2, 2<->4
 
     arr = arr.dup.partialShuffle(3, rnd);
-    version (X86_64) // https://issues.dlang.org/show_bug.cgi?id=15147
+    version (D_LP64) // https://issues.dlang.org/show_bug.cgi?id=15147
     assert(arr == [5, 4, 6, 2, 1, 3]); // 1<->5, 2<->4, 3<->6
 }
 
@@ -3369,7 +3369,7 @@ if (isRandomAccessRange!Range)
     import std.range : iota;
     auto rnd = MinstdRand0(42);
 
-    version (X86_64) // https://issues.dlang.org/show_bug.cgi?id=15147
+    version (D_LP64) // https://issues.dlang.org/show_bug.cgi?id=15147
     assert(10.iota.randomCover(rnd).equal([7, 4, 2, 0, 1, 6, 8, 3, 9, 5]));
 }
 
diff --git a/libphobos/src/std/stdio.d b/libphobos/src/std/stdio.d
index 1bde73d628d..ca6f48c7c13 100644
--- a/libphobos/src/std/stdio.d
+++ b/libphobos/src/std/stdio.d
@@ -85,8 +85,7 @@ else version (CRuntime_Musl)
 }
 else version (CRuntime_UClibc)
 {
-    // uClibc supports GCC IO
-    version = GCC_IO;
+    version = GENERIC_IO;
 }
 else version (OSX)
 {
