From 8bdb09cb0bdd321166269b928f4dcc39d3841c77 Mon Sep 17 00:00:00 2001 From: Volker Reichelt Date: Mon, 12 Jun 2006 20:50:53 +0000 Subject: [PATCH] re PR c++/27951 (ICE with invalid anonymous union) PR c++/27951 * decl2.c (finish_anon_union): Return early if build_anon_union_vars fails. * g++.dg/other/anon4.C: New test. From-SVN: r114577 --- gcc/cp/ChangeLog | 6 ++++++ gcc/cp/decl2.c | 2 ++ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/other/anon4.C | 8 ++++++++ 4 files changed, 21 insertions(+) create mode 100644 gcc/testsuite/g++.dg/other/anon4.C diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 3dc8225acef..b1ed4f08446 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2006-06-12 Volker Reichelt + + PR c++/27951 + * decl2.c (finish_anon_union): Return early if build_anon_union_vars + fails. + 2006-06-12 Roger Sayle PR c++/21210 diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index a30fed3064f..49e320cfd1c 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -1109,6 +1109,8 @@ finish_anon_union (tree anon_union_decl) } main_decl = build_anon_union_vars (type, anon_union_decl); + if (main_decl == error_mark_node) + return; if (main_decl == NULL_TREE) { warning (0, "anonymous union with no members"); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8e5d2c0be09..b43e5191ccb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-06-12 Volker Reichelt + + PR c++/27951 + * g++.dg/other/anon4.C: New test. + 2006-06-12 Roger Sayle PR c++/21210 diff --git a/gcc/testsuite/g++.dg/other/anon4.C b/gcc/testsuite/g++.dg/other/anon4.C new file mode 100644 index 00000000000..571f4ae65fb --- /dev/null +++ b/gcc/testsuite/g++.dg/other/anon4.C @@ -0,0 +1,8 @@ +// PR c++/27951 +// { dg-do compile } + +void foo() +{ + int i; // { dg-error "previously" } + union { int i; }; // { dg-error "redeclaration" } +}