From e187e8d76c85df998d38a09d597b6449c6e03c3a Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 7 Jul 2016 23:45:11 +0200 Subject: [PATCH] backport: re PR c++/69797 (ICE on invalid code on x86_64-linux-gnu in operator[], at vec.h:714) Backported from mainline 2016-02-15 Jakub Jelinek PR c++/69797 * c-common.c (sync_resolve_size): Diagnose too few arguments even when params is non-NULL empty vector. * c-c++-common/pr69797.c: New test. From-SVN: r238134 --- gcc/c-family/ChangeLog | 9 +++++++++ gcc/c-family/c-common.c | 2 +- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/c-c++-common/pr69797.c | 8 ++++++++ 4 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/c-c++-common/pr69797.c diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index 41056ad27391..da01be136e99 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,12 @@ +2016-07-07 Jakub Jelinek + + Backported from mainline + 2016-02-15 Jakub Jelinek + + PR c++/69797 + * c-common.c (sync_resolve_size): Diagnose too few arguments + even when params is non-NULL empty vector. + 2016-07-05 Markus Trippelsdorf PR c++/71214 diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c index 885670185027..30dac625135f 100644 --- a/gcc/c-family/c-common.c +++ b/gcc/c-family/c-common.c @@ -10203,7 +10203,7 @@ sync_resolve_size (tree function, vec *params) tree type; int size; - if (!params) + if (vec_safe_is_empty (params)) { error ("too few arguments to function %qE", function); return 0; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 959722107a30..fb63d67ac83d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,6 +1,11 @@ 2016-07-07 Jakub Jelinek Backported from mainline + 2016-02-15 Jakub Jelinek + + PR c++/69797 + * c-c++-common/pr69797.c: New test. + 2016-03-02 Jakub Jelinek PR middle-end/70022 diff --git a/gcc/testsuite/c-c++-common/pr69797.c b/gcc/testsuite/c-c++-common/pr69797.c new file mode 100644 index 000000000000..fe2d4304c34d --- /dev/null +++ b/gcc/testsuite/c-c++-common/pr69797.c @@ -0,0 +1,8 @@ +/* PR c++/69797 */ +/* { dg-do compile } */ + +void +foo () +{ + __atomic_fetch_add (); /* { dg-error "too few arguments to function" } */ +} -- 2.47.2