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author | Jason Merrill <jason@redhat.com> | 2009-01-05 22:27:39 -0500 |
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committer | Jason Merrill <jason@gcc.gnu.org> | 2009-01-05 22:27:39 -0500 |
commit | 9bfea41b05947073cce682a8a6cf14924064fbde (patch) | |
tree | 9733822ded9e2fc2f88167786037c4eadb498da2 /gcc/cp | |
parent | 77d96a79bfcc66cba3e59bee6b80477c5bd08df2 (diff) | |
download | gcc-9bfea41b05947073cce682a8a6cf14924064fbde.zip gcc-9bfea41b05947073cce682a8a6cf14924064fbde.tar.gz gcc-9bfea41b05947073cce682a8a6cf14924064fbde.tar.bz2 |
re PR c++/38698 (ICE initializing union with initializer list)
PR c++/38698
* typeck2.c (process_init_constructor_union): Handle union with
no fields.
* mangle.c (write_expression): Remove mangling for zero-operand
casts.
From-SVN: r143111
Diffstat (limited to 'gcc/cp')
-rw-r--r-- | gcc/cp/ChangeLog | 7 | ||||
-rw-r--r-- | gcc/cp/mangle.c | 8 | ||||
-rw-r--r-- | gcc/cp/typeck2.c | 6 |
3 files changed, 16 insertions, 5 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index cc4fce1..1e85539 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -5,6 +5,13 @@ 2009-01-05 Jason Merrill <jason@redhat.com> + PR c++/38698 + * typeck2.c (process_init_constructor_union): Handle union with + no fields. + + * mangle.c (write_expression): Remove mangling for zero-operand + casts. + PR c++/38701 * decl.c (cp_finish_decl): Clear DECL_INITIAL for invalid defaulting. diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c index 1ec27c1..a7b4662 100644 --- a/gcc/cp/mangle.c +++ b/gcc/cp/mangle.c @@ -2348,12 +2348,12 @@ write_expression (tree expr) case CAST_EXPR: write_type (TREE_TYPE (expr)); + /* There is no way to mangle a zero-operand cast like + "T()". */ if (!TREE_OPERAND (expr, 0)) - /* "T()" is mangled as "T(void)". */ - write_char ('v'); + sorry ("zero-operand casts cannot be mangled due to a defect " + "in the C++ ABI"); else if (list_length (TREE_OPERAND (expr, 0)) > 1) - /* FIXME the above hack for T() needs to be replaced with - something more general. */ sorry ("mangling function-style cast with more than one argument"); else write_expression (TREE_VALUE (TREE_OPERAND (expr, 0))); diff --git a/gcc/cp/typeck2.c b/gcc/cp/typeck2.c index e313e4b..60e4ef1 100644 --- a/gcc/cp/typeck2.c +++ b/gcc/cp/typeck2.c @@ -1147,7 +1147,11 @@ process_init_constructor_union (tree type, tree init) tree field = TYPE_FIELDS (type); while (field && (!DECL_NAME (field) || TREE_CODE (field) != FIELD_DECL)) field = TREE_CHAIN (field); - gcc_assert (field); + if (field == NULL_TREE) + { + error ("too many initializers for %qT", type); + ce->value = error_mark_node; + } ce->index = field; } |