diff --git a/libphobos/Makefile.in b/libphobos/Makefile.in
index 2f073d64629..a54821d6799 100644
--- a/libphobos/Makefile.in
+++ b/libphobos/Makefile.in
@@ -216,7 +216,6 @@ DCFG_HAVE_LIBATOMIC = @DCFG_HAVE_LIBATOMIC@
 DCFG_MINFO_BRACKETING = @DCFG_MINFO_BRACKETING@
 DCFG_THREAD_MODEL = @DCFG_THREAD_MODEL@
 DEFS = @DEFS@
-DRUNTIME_SOVERSION = @DRUNTIME_SOVERSION@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@
@@ -261,7 +260,6 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
-PHOBOS_SOVERSION = @PHOBOS_SOVERSION@
 RANLIB = @RANLIB@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -308,6 +306,7 @@ libphobos_builddir = @libphobos_builddir@
 libphobos_srcdir = @libphobos_srcdir@
 libphobos_toolexecdir = @libphobos_toolexecdir@
 libphobos_toolexeclibdir = @libphobos_toolexeclibdir@
+libtool_VERSION = @libtool_VERSION@
 localedir = @localedir@
 localstatedir = @localstatedir@
 mandir = @mandir@
diff --git a/libphobos/configure b/libphobos/configure
index 9b3dc92ae47..d247d9adc1f 100755
--- a/libphobos/configure
+++ b/libphobos/configure
@@ -634,8 +634,7 @@ am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
 GDCFLAGSX
-PHOBOS_SOVERSION
-DRUNTIME_SOVERSION
+libtool_VERSION
 SPEC_PHOBOS_DEPS
 gdc_include_dir
 libphobos_toolexeclibdir
@@ -11509,7 +11508,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11512 "configure"
+#line 11511 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11615,7 +11614,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11618 "configure"
+#line 11617 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14874,9 +14873,7 @@ SPEC_PHOBOS_DEPS="$LIBS"
 
 
 # Libdruntime / phobos soname version
-DRUNTIME_SOVERSION="76:2:0"
-PHOBOS_SOVERSION="76:2:0"
-
+libtool_VERSION=76:3:0
 
 
 # Set default flags (after DRUNTIME_WERROR!)
diff --git a/libphobos/configure.ac b/libphobos/configure.ac
index 1e931d4395f..67eab27e821 100644
--- a/libphobos/configure.ac
+++ b/libphobos/configure.ac
@@ -148,10 +148,8 @@ SPEC_PHOBOS_DEPS="$LIBS"
 AC_SUBST(SPEC_PHOBOS_DEPS)
 
 # Libdruntime / phobos soname version
-DRUNTIME_SOVERSION="76:2:0"
-PHOBOS_SOVERSION="76:2:0"
-AC_SUBST([DRUNTIME_SOVERSION])
-AC_SUBST([PHOBOS_SOVERSION])
+libtool_VERSION=76:3:0
+AC_SUBST(libtool_VERSION)
 
 # Set default flags (after DRUNTIME_WERROR!)
 if test -z "$GDCFLAGS"; then
diff --git a/libphobos/libdruntime/Makefile.am b/libphobos/libdruntime/Makefile.am
index 2a4d341a579..e14cc031eea 100644
--- a/libphobos/libdruntime/Makefile.am
+++ b/libphobos/libdruntime/Makefile.am
@@ -104,7 +104,7 @@ endif
 toolexeclib_LTLIBRARIES = libgdruntime.la
 libgdruntime_la_SOURCES = $(ALL_DRUNTIME_SOURCES)
 libgdruntime_la_LIBTOOLFLAGS =
-libgdruntime_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(DRUNTIME_SOVERSION)
+libgdruntime_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(libtool_VERSION)
 libgdruntime_la_LIBADD = $(LIBATOMIC) $(LIBBACKTRACE)
 
 # For static unittest, link objects directly
diff --git a/libphobos/libdruntime/Makefile.in b/libphobos/libdruntime/Makefile.in
index eaa7664c8f1..d07a8f98099 100644
--- a/libphobos/libdruntime/Makefile.in
+++ b/libphobos/libdruntime/Makefile.in
@@ -553,7 +553,6 @@ DCFG_HAVE_LIBATOMIC = @DCFG_HAVE_LIBATOMIC@
 DCFG_MINFO_BRACKETING = @DCFG_MINFO_BRACKETING@
 DCFG_THREAD_MODEL = @DCFG_THREAD_MODEL@
 DEFS = @DEFS@
-DRUNTIME_SOVERSION = @DRUNTIME_SOVERSION@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@
@@ -598,7 +597,6 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
-PHOBOS_SOVERSION = @PHOBOS_SOVERSION@
 RANLIB = @RANLIB@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -645,6 +643,7 @@ libphobos_builddir = @libphobos_builddir@
 libphobos_srcdir = @libphobos_srcdir@
 libphobos_toolexecdir = @libphobos_toolexecdir@
 libphobos_toolexeclibdir = @libphobos_toolexeclibdir@
+libtool_VERSION = @libtool_VERSION@
 localedir = @localedir@
 localstatedir = @localstatedir@
 mandir = @mandir@
@@ -760,7 +759,7 @@ DRUNTIME_TEST_LOBJECTS = $(filter-out rt/util/typeinfo.t.lo \
 toolexeclib_LTLIBRARIES = libgdruntime.la
 libgdruntime_la_SOURCES = $(ALL_DRUNTIME_SOURCES)
 libgdruntime_la_LIBTOOLFLAGS = 
-libgdruntime_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(DRUNTIME_SOVERSION)
+libgdruntime_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(libtool_VERSION)
 libgdruntime_la_LIBADD = $(LIBATOMIC) $(LIBBACKTRACE)
 
 # For static unittest, link objects directly
diff --git a/libphobos/libdruntime/object.d b/libphobos/libdruntime/object.d
index 3510ee464ff..2fe27a195df 100644
--- a/libphobos/libdruntime/object.d
+++ b/libphobos/libdruntime/object.d
@@ -3468,14 +3468,13 @@ if (__traits(isScalar, T))
 // comparisons in the semantic analysis phase of CmpExp. The ordering
 // comparison is lowered to a call to this template.
 int __cmp(T1, T2)(T1[] s1, T2[] s2)
-if (!__traits(isScalar, T1))
+if (!__traits(isScalar, T1) && !__traits(isScalar, T2))
 {
     import core.internal.traits : Unqual;
     alias U1 = Unqual!T1;
     alias U2 = Unqual!T2;
-    static assert(is(U1 == U2), "Internal error.");
 
-    static if (is(U1 == void))
+    static if (is(U1 == void) && is(U2 == void))
         static @trusted ref inout(ubyte) at(inout(void)[] r, size_t i) { return (cast(inout(ubyte)*) r.ptr)[i]; }
     else
         static @trusted ref R at(R)(R[] r, size_t i) { return r.ptr[i]; }
@@ -3506,8 +3505,11 @@ if (!__traits(isScalar, T1))
         {
             // TODO: fix this legacy bad behavior, see
             // https://issues.dlang.org/show_bug.cgi?id=17244
+            static assert(is(U1 == U2), "Internal error.");
             import core.stdc.string : memcmp;
-            return (() @trusted => memcmp(&at(s1, u), &at(s2, u), U1.sizeof))();
+            auto c = (() @trusted => memcmp(&at(s1, u), &at(s2, u), U1.sizeof))();
+            if (c != 0)
+                return c;
         }
     }
     return s1.length < s2.length ? -1 : (s1.length > s2.length);
@@ -3566,9 +3568,15 @@ if (!__traits(isScalar, T1))
     {
         T[2] a = [T.max, T.max];
         T[2] b = [T.min_normal, T.min_normal];
+        T[2] c = [T.max, T.min_normal];
+        T[1] d = [T.max];
 
         assert(__cmp(a, b) > 0);
         assert(__cmp(b, a) < 0);
+        assert(__cmp(a, c) > 0);
+        assert(__cmp(a, d) > 0);
+        assert(__cmp(d, c) < 0);
+        assert(__cmp(c, c) == 0);
     }
 
     compareMinMax!real;
@@ -3602,6 +3610,24 @@ if (!__traits(isScalar, T1))
     assert(__cmp(b, a) < 0);
 }
 
+// arrays of arrays with mixed modifiers
+@safe unittest
+{
+    // https://issues.dlang.org/show_bug.cgi?id=17876
+    bool less1(immutable size_t[][] a, size_t[][] b) { return a < b; }
+    bool less2(const void[][] a, void[][] b) { return a < b; }
+    bool less3(inout size_t[][] a, size_t[][] b) { return a < b; }
+
+    immutable size_t[][] a = [[1, 2], [3, 4]];
+    size_t[][] b = [[1, 2], [3, 5]];
+    assert(less1(a, b));
+    assert(less3(a, b));
+
+    auto va = [cast(immutable void[])a[0], a[1]];
+    auto vb = [cast(void[])b[0], b[1]];
+    assert(less2(va, vb));
+}
+
 // objects
 @safe unittest
 {
@@ -3642,6 +3668,7 @@ if (!__traits(isScalar, T1))
 
     assert(__cmp([c1, c1][], [c2, c2][]) < 0);
     assert(__cmp([c2, c2], [c1, c1]) > 0);
+    assert(__cmp([c2, c2], [c2, c1]) > 0);
 }
 
 // Compiler hook into the runtime implementation of array (vector) operations.
diff --git a/libphobos/src/Makefile.am b/libphobos/src/Makefile.am
index c5b36aea0cb..3ced3ae21c8 100644
--- a/libphobos/src/Makefile.am
+++ b/libphobos/src/Makefile.am
@@ -57,7 +57,7 @@ toolexeclib_DATA = libgphobos.spec
 toolexeclib_LTLIBRARIES = libgphobos.la
 libgphobos_la_SOURCES = $(ALL_PHOBOS_SOURCES) $(ZLIB_SRC)
 libgphobos_la_LIBTOOLFLAGS =
-libgphobos_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(PHOBOS_SOVERSION)
+libgphobos_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(libtool_VERSION)
 libgphobos_la_LIBADD = ../libdruntime/libgdruntime.la
 libgphobos_la_DEPENDENCIES = libgphobos.spec
 
diff --git a/libphobos/src/Makefile.in b/libphobos/src/Makefile.in
index 08470abba3e..f0c8f8760b4 100644
--- a/libphobos/src/Makefile.in
+++ b/libphobos/src/Makefile.in
@@ -507,7 +507,6 @@ DCFG_HAVE_LIBATOMIC = @DCFG_HAVE_LIBATOMIC@
 DCFG_MINFO_BRACKETING = @DCFG_MINFO_BRACKETING@
 DCFG_THREAD_MODEL = @DCFG_THREAD_MODEL@
 DEFS = @DEFS@
-DRUNTIME_SOVERSION = @DRUNTIME_SOVERSION@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@
@@ -552,7 +551,6 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
-PHOBOS_SOVERSION = @PHOBOS_SOVERSION@
 RANLIB = @RANLIB@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -599,6 +597,7 @@ libphobos_builddir = @libphobos_builddir@
 libphobos_srcdir = @libphobos_srcdir@
 libphobos_toolexecdir = @libphobos_toolexecdir@
 libphobos_toolexeclibdir = @libphobos_toolexeclibdir@
+libtool_VERSION = @libtool_VERSION@
 localedir = @localedir@
 localstatedir = @localstatedir@
 mandir = @mandir@
@@ -698,7 +697,7 @@ toolexeclib_DATA = libgphobos.spec
 toolexeclib_LTLIBRARIES = libgphobos.la
 libgphobos_la_SOURCES = $(ALL_PHOBOS_SOURCES) $(ZLIB_SRC)
 libgphobos_la_LIBTOOLFLAGS = 
-libgphobos_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(PHOBOS_SOVERSION)
+libgphobos_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(libtool_VERSION)
 libgphobos_la_LIBADD = ../libdruntime/libgdruntime.la
 libgphobos_la_DEPENDENCIES = libgphobos.spec
 
diff --git a/libphobos/src/std/complex.d b/libphobos/src/std/complex.d
index 77638229220..b0780512ed3 100644
--- a/libphobos/src/std/complex.d
+++ b/libphobos/src/std/complex.d
@@ -853,7 +853,10 @@ Complex!T cos(T)(Complex!T z)  @safe pure nothrow @nogc
     import std.math;
     assert(cos(complex(0.0)) == 1.0);
     assert(cos(complex(1.3L)) == std.math.cos(1.3L));
-    assert(cos(complex(0, 5.2L)) == cosh(5.2L));
+    auto c1 = cos(complex(0, 5.2L));
+    auto c2 = cosh(5.2L);
+    assert(feqrel(c1.re, c2.re) >= real.mant_dig - 1 &&
+        feqrel(c1.im, c2.im) >= real.mant_dig - 1);
 }
 
 
diff --git a/libphobos/src/std/math.d b/libphobos/src/std/math.d
index 84cf4a73927..7bb4d7c23db 100644
--- a/libphobos/src/std/math.d
+++ b/libphobos/src/std/math.d
@@ -177,7 +177,7 @@ version (StaticallyHaveSSE)
 {
     private enum bool haveSSE = true;
 }
-else
+else version (X86)
 {
     static import core.cpuid;
     private alias haveSSE = core.cpuid.sse;
@@ -887,7 +887,7 @@ Lret: {}
                 -9.889929415807650724957118893791829849557E-1L
             ];
             static immutable real[7] Q = [
-                8.650244186622719093893836740197250197602E10L
+                8.650244186622719093893836740197250197602E10L,
                 -4.152206921457208101480801635640958361612E10L,
                 2.758476078803232151774723646710890525496E9L,
                 -5.733709132766856723608447733926138506824E7L,
@@ -3141,7 +3141,8 @@ float ldexp(float n, int exp) @safe pure nothrow @nogc { return ldexp(cast(real)
 
 @safe pure nothrow @nogc unittest
 {
-    static if (floatTraits!(real).realFormat == RealFormat.ieeeExtended)
+    static if (floatTraits!(real).realFormat == RealFormat.ieeeExtended ||
+               floatTraits!(real).realFormat == RealFormat.ieeeQuadruple)
     {
         assert(ldexp(1.0L, -16384) == 0x1p-16384L);
         assert(ldexp(1.0L, -16382) == 0x1p-16382L);
@@ -4453,6 +4454,7 @@ long lrint(real x) @trusted pure nothrow @nogc
             const j = sign ? -OF : OF;
             x = (j + x) - j;
 
+            const exp = (vu[F.EXPPOS_SHORT] & F.EXPMASK) - (F.EXPBIAS + 1);
             const implicitOne = 1UL << 48;
             auto vl = cast(ulong*)(&x);
             vl[MANTISSA_MSB] &= implicitOne - 1;
@@ -4460,7 +4462,6 @@ long lrint(real x) @trusted pure nothrow @nogc
 
             long result;
 
-            const exp = (vu[F.EXPPOS_SHORT] & F.EXPMASK) - (F.EXPBIAS + 1);
             if (exp < 0)
                 result = 0;
             else if (exp <= 48)
@@ -5337,6 +5338,7 @@ private:
             }
             else version (AArch64)
             {
+                ControlState cont;
                 asm pure nothrow @nogc
                 {
                     "mrs %0, FPCR;" : "=r" cont;
@@ -6668,6 +6670,10 @@ if (isFloatingPoint!(F) && isIntegral!(G))
     {
         pragma(msg, "test disabled on ARM, see bug 5628");
     }
+    else version (GNU)
+    {
+        pragma(msg, "test disabled on GNU, see bug 5628");
+    }
     else
     {
         assert(pow(xd, neg2) == 1 / (x * x));
diff --git a/libphobos/src/std/random.d b/libphobos/src/std/random.d
index b3116e1827e..f4c64d4a36d 100644
--- a/libphobos/src/std/random.d
+++ b/libphobos/src/std/random.d
@@ -64,15 +64,15 @@ import std.traits;
     // Generate a uniformly-distributed integer in the range [0, 14]
     // If no random generator is passed, the global `rndGen` would be used
     auto i = uniform(0, 15, rnd);
-    assert(i == 12);
+    assert(i >= 0 && i < 15);
 
     // Generate a uniformly-distributed real in the range [0, 100)
     auto r = uniform(0.0L, 100.0L, rnd);
-    assert(r == 79.65429843861011285);
+    assert(r >= 0 && r < 100);
 
     // Generate a 32-bit random number
     auto u = uniform!uint(rnd);
-    assert(u == 4083286876);
+    static assert(is(typeof(u) == uint));
 }
 
 version (unittest)
diff --git a/libphobos/testsuite/Makefile.in b/libphobos/testsuite/Makefile.in
index e3fd03b848a..33950c5c953 100644
--- a/libphobos/testsuite/Makefile.in
+++ b/libphobos/testsuite/Makefile.in
@@ -162,7 +162,6 @@ DCFG_HAVE_LIBATOMIC = @DCFG_HAVE_LIBATOMIC@
 DCFG_MINFO_BRACKETING = @DCFG_MINFO_BRACKETING@
 DCFG_THREAD_MODEL = @DCFG_THREAD_MODEL@
 DEFS = @DEFS@
-DRUNTIME_SOVERSION = @DRUNTIME_SOVERSION@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@
@@ -207,7 +206,6 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
-PHOBOS_SOVERSION = @PHOBOS_SOVERSION@
 RANLIB = @RANLIB@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -254,6 +252,7 @@ libphobos_builddir = @libphobos_builddir@
 libphobos_srcdir = @libphobos_srcdir@
 libphobos_toolexecdir = @libphobos_toolexecdir@
 libphobos_toolexeclibdir = @libphobos_toolexeclibdir@
+libtool_VERSION = @libtool_VERSION@
 localedir = @localedir@
 localstatedir = @localstatedir@
 mandir = @mandir@
