[gentoo-commits] proj/gcc-patches:master commit in: 10.2.0/gentoo/

["Sergei Trofimovich" <slyfox@gentoo.org>]

commit:     fafbb4148cb5c2cf7e1ae02679240cba43e95992
Author:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
AuthorDate: Mon Jul 27 06:48:54 2020 +0000
Commit:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
CommitDate: Mon Jul 27 06:48:54 2020 +0000
URL:        https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=fafbb414

10.2.0: backport ICE on invalid function declarations

Reported-by: Jack Ostroff
Bug: https://bugs.gentoo.org/730406
Bug: https://gcc.gnu.org/PR95820
Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org>

 10.2.0/gentoo/34_all_fundecl-ICE-PR95820.patch | 25 +++++++++++++++++++++++++
 10.2.0/gentoo/README.history                   |  1 +
 2 files changed, 26 insertions(+)

diff --git a/10.2.0/gentoo/34_all_fundecl-ICE-PR95820.patch b/10.2.0/gentoo/34_all_fundecl-ICE-PR95820.patch
new file mode 100644
index 0000000..e365420
--- /dev/null
+++ b/10.2.0/gentoo/34_all_fundecl-ICE-PR95820.patch
@@ -0,0 +1,25 @@
+It's an unofficial backport of PR95820 where gcc ICEs on
+invalid syntax. As creduce frequently end up in these ICEs
+as in #730406 let's backport it to gcc-10.
+
+https://gcc.gnu.org/PR95820
+https://bugs.gentoo.org/730406
+--- a/gcc/cp/decl.c
++++ b/gcc/cp/decl.c
+@@ -12029,14 +12029,11 @@ grokdeclarator (const cp_declarator *declarator,
+ 
+ 	    /* Handle a late-specified return type.  */
+ 	    tree late_return_type = declarator->u.function.late_return_type;
+-	    if (funcdecl_p
+-		/* This is the case e.g. for
+-		   using T = auto () -> int.  */
+-		|| inner_declarator == NULL)
++	    if (true)
+ 	      {
+ 		if (tree auto_node = type_uses_auto (type))
+ 		  {
+-		    if (!late_return_type)
++		    if (!late_return_type && funcdecl_p)
+ 		      {
+ 			if (current_class_type
+ 			    && LAMBDA_TYPE_P (current_class_type))

diff --git a/10.2.0/gentoo/README.history b/10.2.0/gentoo/README.history
index 1c0fff9..7cde6a3 100644
--- a/10.2.0/gentoo/README.history
+++ b/10.2.0/gentoo/README.history
@@ -1,5 +1,6 @@
 2		TODO
 	+ 33_all_lto-O0-mix-ICE-ipa-PR96291.patch
+	+ 34_all_fundecl-ICE-PR95820.patch
 
 1 		23 July 2020
 	+ 01_all_default-fortify-source.patch