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| author | Jason Merrill <jason@redhat.com> | 2018-02-15 21:47:19 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2018-02-15 21:47:19 -0500 |
| commit | d78aecf47261c3bb6b03966db5d1db4564e98b1b (patch) | |
| tree | de75b537293cdafe1ab3d96f8db4a94f8c845332 /gcc | |
| parent | d8865b6ed853691a372d9535fb9412639547fcb1 (diff) | |
| download | gcc-d78aecf47261c3bb6b03966db5d1db4564e98b1b.zip gcc-d78aecf47261c3bb6b03966db5d1db4564e98b1b.tar.gz gcc-d78aecf47261c3bb6b03966db5d1db4564e98b1b.tar.bz2 | |
PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
* call.c (convert_like_real): Don't use the copy-list-initialization
shortcut for ck_base.
From-SVN: r257720
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cp/call.c | 9 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/initlist98.C | 17 |
3 files changed, 26 insertions, 4 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 33746ae..ecd52d0 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,9 @@ 2018-02-15 Jason Merrill <jason@redhat.com> + PR c++/83227 - C++17 ICE with init-list derived-to-base conversion. + * call.c (convert_like_real): Don't use the copy-list-initialization + shortcut for ck_base. + PR c++/84045 - ICE with typedef and noexcept. * except.c (build_noexcept_spec): Use strip_typedefs_expr. diff --git a/gcc/cp/call.c b/gcc/cp/call.c index 7176e4a..5698ff6 100644 --- a/gcc/cp/call.c +++ b/gcc/cp/call.c @@ -6938,6 +6938,11 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum, && DECL_INHERITED_CTOR (current_function_decl)) return expr; + if (TREE_CODE (expr) == TARGET_EXPR + && TARGET_EXPR_LIST_INIT_P (expr)) + /* Copy-list-initialization doesn't actually involve a copy. */ + return expr; + /* Fall through. */ case ck_base: if (convs->kind == ck_base && !convs->need_temporary_p) @@ -6964,10 +6969,6 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum, if (convs->rvaluedness_matches_p) /* standard_conversion got LOOKUP_PREFER_RVALUE. */ flags |= LOOKUP_PREFER_RVALUE; - if (TREE_CODE (expr) == TARGET_EXPR - && TARGET_EXPR_LIST_INIT_P (expr)) - /* Copy-list-initialization doesn't actually involve a copy. */ - return expr; expr = build_temp (expr, totype, flags, &diag_kind, complain); if (diag_kind && complain) { diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist98.C b/gcc/testsuite/g++.dg/cpp0x/initlist98.C new file mode 100644 index 0000000..4f2fcd2 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/initlist98.C @@ -0,0 +1,17 @@ +// PR c++/83227 +// { dg-do compile { target c++11 } } + +#include <initializer_list> + +template <typename d> struct f { + f(std::initializer_list<d>) {} +}; + +struct h {}; +struct i : h { + i(); +}; +void foo(f<h>); +int main() { + foo({i{}}); +} |