core/gcc to 7.3.1+20180312-2

core/gcc/PKGBUILD

@@ -19,7 +19,7 @@ pkgname=(gcc gcc-libs gcc-fortran gcc-objc gcc-go)
 pkgver=7.3.1+20180312
 _majorver=${pkgver:0:1}
 _islver=0.18
-pkgrel=1
+pkgrel=2
 pkgdesc='The GNU Compiler Collection'
 arch=(x86_64)
 license=(GPL LGPL FDL custom)
@@ -32,6 +32,7 @@ source=(https://sources.archlinux.org/other/gcc/gcc-${pkgver/+/-}.tar.xz{,.sig}
 #source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz{,.sig}
         http://isl.gforge.inria.fr/isl-${_islver}.tar.bz2
         c89 c99
+        bz84080.patch
         0001-ARMv5-disable-LDRD-STRD.patch)
 validpgpkeys=(F3691687D867B81B51CE07D9BBE43771487328A9  # bpiotrowski@archlinux.org
               13975A70E63C361C73AE69EF6EEB81F8981C74C7) # richard.guenther@gmail.com
@@ -40,6 +41,7 @@ sha256sums=('c52618f656f2102b3544419e7d0a8a4f4e6ff052783865202be73edf1a40e28b'
             '6b8b0fd7f81d0a957beb3679c81bbb34ccc7568d5682844d8924424a0dadcb1b'
             'de48736f6e4153f03d0a5d38ceb6c6fdb7f054e8f47ddd6af0a3dbf14f27b931'
             '2513c6d9984dd0a2058557bf00f06d8d5181734e41dcfe07be7ed86f2959622a'
+            'bce05807443558db55f0d6b4dae37a678ea1bb3388b541c876fe3d110e3717e7'
             '31e24baa9eee826d7d77dbcf8f1a6a44c92f771e52d21677acb8d76fac7ae204')
 
 _svnrev=258469
@@ -67,6 +69,9 @@ prepare() {
   [[ ! -d gcc ]] && ln -s gcc-${pkgver/+/-} gcc
   cd gcc
 
+  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84080
+  patch -p0 -i "$srcdir/bz84080.patch"
+
   # link isl for in-tree build
   ln -s ../isl-${_islver} isl
 

core/gcc/bz84080.patch

@@ -0,0 +1,27 @@
+Index: gcc/testsuite/g++.dg/cpp1y/auto-fn47.C
+===================================================================
+--- gcc/testsuite/g++.dg/cpp1y/auto-fn47.C	(nonexistent)
++++ gcc/testsuite/g++.dg/cpp1y/auto-fn47.C	(revision 257630)
+@@ -0,0 +1,6 @@
++// PR c++/84080
++// { dg-do compile { target c++14 } }
++
++template <int i, typename T> T foo();
++
++template <> auto foo<0>() { return 42; } // { dg-error "does not match" }
+Index: gcc/cp/pt.c
+===================================================================
+--- gcc/cp/pt.c	(revision 257629)
++++ gcc/cp/pt.c	(revision 257630)
+@@ -2203,6 +2203,11 @@
+ 	       specialize TMPL will produce DECL.  */
+ 	    continue;
+ 
++	  if (uses_template_parms (targs))
++	    /* We deduced something involving 'auto', which isn't a valid
++	       template argument.  */
++	    continue;
++
+           /* Remove, from the set of candidates, all those functions
+              whose constraints are not satisfied. */
+           if (flag_concepts && !constraints_satisfied_p (fn, targs))