procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

PR c++/96440: ICE-on-invalid-code error recovery.

Browse source 
This patch fixes PR c++/96440 which is an ICE-on-invalid-code regression
affecting mainline.

2022-03-08  Roger Sayle  <roger@nextmovesoftware.com>

gcc/cp/ChangeLog
	PR c++/96440
	* decl.cc (start_decl): Defend against prefix_attributes being
	error_mark_node.

gcc/testsuite/ChangeLog
	PR c++/96440
	* g++.dg/cpp0x/pr96440.C: New test case.
This commit is contained in:
Roger Sayle 2022-03-08 23:33:46 +00:00
parent 48777d982a
commit e52af9cac7
2 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/cp/decl.cc
View file

@ -5483,13 +5483,15 @@ start_decl (const cp_declarator *declarator,
*pushed_scope_p = NULL_TREE;
attributes = chainon (attributes, prefix_attributes);
if (prefix_attributes != error_mark_node)
attributes = chainon (attributes, prefix_attributes);
decl = grokdeclarator (declarator, declspecs, NORMAL, initialized,
&attributes);
if (decl == NULL_TREE || VOID_TYPE_P (decl)
|| decl == error_mark_node)
|| decl == error_mark_node
|| prefix_attributes == error_mark_node)
return error_mark_node;
context = CP_DECL_CONTEXT (decl);

4
gcc/testsuite/g++.dg/cpp0x/pr96440.C Normal file
View file

@ -0,0 +1,4 @@
/* { dg-do compile } */
/* { dg-excess-errors "" } */
auto alignas a [[]] [[const]] ();