diff --git a/core/gcc/PKGBUILD b/core/gcc/PKGBUILD
index 510f59b0f..3cad5f519 100644
--- a/core/gcc/PKGBUILD
+++ b/core/gcc/PKGBUILD
@@ -15,9 +15,9 @@
 noautobuild=1
 
 pkgname=('gcc' 'gcc-libs' 'gcc-fortran' 'gcc-objc' 'gcc-go')
-pkgver=5.2.0
+pkgver=5.3.0
 _pkgver=5
-_islver=0.14.1
+_islver=0.15
 pkgrel=2
 #_snapshot=5-20150623
 pkgdesc="The GNU Compiler Collection"
@@ -30,11 +30,9 @@ options=('!emptydirs' '!distcc')
 source=(ftp://gcc.gnu.org/pub/gcc/releases/gcc-${pkgver}/gcc-${pkgver}.tar.bz2
         #ftp://gcc.gnu.org/pub/gcc/snapshots/${_snapshot}/gcc-${_snapshot}.tar.bz2
         http://isl.gforge.inria.fr/isl-${_islver}.tar.bz2
-        pr66035.patch
         0001-ARMv5-disable-LDRD-STRD.patch)
-md5sums=('a51bcfeb3da7dd4c623e27207ed43467'
-         '118d1a379abf7606a3334c98a8411c79'
-         '5b980076cd5fcbc3aff6014f306282dd'
+md5sums=('c9616fd448f980259c31de613e575719'
+         '8428efbbc6f6e2810ce5c1ba73ecf98c'
          '924a9bcdd7852410667f04ce18c305d7')
 
 if [ -n "${_snapshot}" ]; then
@@ -62,9 +60,6 @@ prepare() {
   # hack! - some configure tests for header files using "$CPP $CPPFLAGS"
   sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure
 
-  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66035
-  patch -p1 -i ${srcdir}/pr66035.patch
-
   # ALARM: Specify build host types, triplet patch
   [[ $CARCH == "arm" ]] && CONFIGFLAG="--host=armv5tel-unknown-linux-gnueabi --build=armv5tel-unknown-linux-gnueabi --with-arch=armv5te --with-float=soft"
   [[ $CARCH == "armv6h" ]] && CONFIGFLAG="--host=armv6l-unknown-linux-gnueabihf --build=armv6l-unknown-linux-gnueabihf --with-arch=armv6 --with-float=hard --with-fpu=vfp"
@@ -99,7 +94,6 @@ build() {
       --with-linker-hash-style=gnu --enable-gnu-indirect-function \
       --disable-multilib --disable-werror \
       --enable-checking=release \
-      --with-default-libstdcxx-abi=gcc4-compatible \
       $CONFIGFLAG
 
   make