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| author | Marek Polacek <polacek@redhat.com> | 2016-12-12 17:58:00 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2016-12-12 17:58:00 +0000 |
| commit | fe366b87159c5ac790045b3e578993d5be6bbdfb (patch) | |
| tree | b38c7e9bc35635ec7eed5caa8f698ea31fe7d34b /gcc | |
| parent | 470a60b2c4fa561455faece02379c6b34872c58a (diff) | |
| download | gcc-fe366b87159c5ac790045b3e578993d5be6bbdfb.zip gcc-fe366b87159c5ac790045b3e578993d5be6bbdfb.tar.gz gcc-fe366b87159c5ac790045b3e578993d5be6bbdfb.tar.bz2 | |
re PR c++/78647 (ICE on invalid C++ code on x86_64-linux-gnu (internal compiler error: tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:664))
PR c++/78647
* c-common.c (attribute_fallthrough_p): Return false for
error_mark_node.
* g++.dg/parse/error58.C: New.
From-SVN: r243575
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/c-family/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c-family/c-common.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/parse/error58.C | 7 |
4 files changed, 20 insertions, 0 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index d6e1b8b..547edad 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,9 @@ +2016-12-12 Marek Polacek <polacek@redhat.com> + + PR c++/78647 + * c-common.c (attribute_fallthrough_p): Return false for + error_mark_node. + 2016-12-08 Martin Sebor <msebor@redhat.com> PR c/78284 diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c index 0749361..c8e1f0d 100644 --- a/gcc/c-family/c-common.c +++ b/gcc/c-family/c-common.c @@ -5558,6 +5558,8 @@ parse_optimize_options (tree args, bool attr_p) bool attribute_fallthrough_p (tree attr) { + if (attr == error_mark_node) + return false; tree t = lookup_attribute ("fallthrough", attr); if (t == NULL_TREE) return false; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index f1f5184..d6657b5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-12-12 Marek Polacek <polacek@redhat.com> + + PR c++/78647 + * g++.dg/parse/error58.C: New. + 2016-12-12 David Malcolm <dmalcolm@redhat.com> PR preprocessor/78680 diff --git a/gcc/testsuite/g++.dg/parse/error58.C b/gcc/testsuite/g++.dg/parse/error58.C new file mode 100644 index 0000000..5ed6e1e --- /dev/null +++ b/gcc/testsuite/g++.dg/parse/error58.C @@ -0,0 +1,7 @@ +// PR c++/78647 +// { dg-do compile { target c++11 } } +// { dg-options "-w" } + +struct A; +void foo (); +void f() { alignas (foo (A)); } // { dg-error "expected" "" } |