From 8d5f60ac742d669e2029e9f944fb565990b524ae Mon Sep 17 00:00:00 2001 From: Paolo Carlini Date: Wed, 27 Aug 2008 17:08:40 +0000 Subject: [PATCH] re PR c++/35321 (ICE with invalid use of __builtin_offsetof) 2008-08-27 Paolo Carlini PR c++/35321 * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR. /testsuite 2008-08-27 Paolo Carlini PR c++/35321 * g++.dg/parse/offsetof8.C: New. From-SVN: r139628 --- gcc/ChangeLog | 5 +++++ gcc/c-common.c | 1 + gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/parse/offsetof8.C | 16 ++++++++++++++++ 4 files changed, 27 insertions(+) create mode 100644 gcc/testsuite/g++.dg/parse/offsetof8.C diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d89d63e6bc4..4b237afb5ec 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2008-08-27 Paolo Carlini + + PR c++/35321 + * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR. + 2008-08-27 Paul Brook * config.gcc: Loosen checks for arm uclinux eabi targets. diff --git a/gcc/c-common.c b/gcc/c-common.c index 811092e36c2..d06c96940f4 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -7685,6 +7685,7 @@ fold_offsetof_1 (tree expr, tree stop_ref) return error_mark_node; case CALL_EXPR: + case TARGET_EXPR: error ("cannot apply % when % is overloaded"); return error_mark_node; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 42d12a23022..fb2a21a5f06 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-08-27 Paolo Carlini + + PR c++/35321 + * g++.dg/parse/offsetof8.C: New. + 2008-08-27 Manuel Lopez-Ibanez PR c++/17880 diff --git a/gcc/testsuite/g++.dg/parse/offsetof8.C b/gcc/testsuite/g++.dg/parse/offsetof8.C new file mode 100644 index 00000000000..9add91e3768 --- /dev/null +++ b/gcc/testsuite/g++.dg/parse/offsetof8.C @@ -0,0 +1,16 @@ +// PR c++/35321 + +struct A +{ + A operator[] (int); +}; + +struct B +{ + A a; +}; + +void foo() +{ + __builtin_offsetof(B, a[0]); /* { dg-error "error: cannot apply 'offsetof' when 'operator\\\[\\\]' is overloaded" } */ +}