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| author | Jason Merrill <jason@redhat.com> | 2013-05-22 23:46:44 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2013-05-22 23:46:44 -0400 |
| commit | 2701664a0266af935d5fea7c5586a5686fe32365 (patch) | |
| tree | ff9f692ff5d1df3031ada35da63437dc453d453e | |
| parent | cfb00b41d986cfe48ff0d06722f64122b8f1a41e (diff) | |
| download | gcc-2701664a0266af935d5fea7c5586a5686fe32365.zip gcc-2701664a0266af935d5fea7c5586a5686fe32365.tar.gz gcc-2701664a0266af935d5fea7c5586a5686fe32365.tar.bz2 | |
re PR c++/56915 (ICE in symtab_add_to_same_comdat_group, at symtab.c:383)
PR c++/56915
* semantics.c (maybe_add_lambda_conv_op): Give up if the call op
isn't defined.
From-SVN: r199231
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/semantics.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/lambda/lambda-template11.C | 25 |
3 files changed, 38 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index f665312..cd58d70 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2013-05-22 Jason Merrill <jason@redhat.com> + + PR c++/56915 + * semantics.c (maybe_add_lambda_conv_op): Give up if the call op + isn't defined. + 2013-05-22 Paolo Carlini <paolo.carlini@oracle.com> PR c++/57352 diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index 92a4917..5b36337 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -9784,6 +9784,13 @@ maybe_add_lambda_conv_op (tree type) if (processing_template_decl) return; + if (DECL_INITIAL (callop) == NULL_TREE) + { + /* If the op() wasn't instantiated due to errors, give up. */ + gcc_assert (errorcount || sorrycount); + return; + } + stattype = build_function_type (TREE_TYPE (TREE_TYPE (callop)), FUNCTION_ARG_CHAIN (callop)); diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-template11.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-template11.C new file mode 100644 index 0000000..520b804 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-template11.C @@ -0,0 +1,25 @@ +// PR c++/56915 +// { dg-require-effective-target c++11 } + +template <typename T> +class A +{ + typename T::type b(); // { dg-error "int" } +}; + +template <typename T, typename U> +void waldo(T, U) {} + +template <typename T> +void bar() +{ + waldo([](A<T> a){ return a; }, + []{}); +} + +int main() +{ + bar<int>(); +} + +// { dg-prune-output "used but never defined" } |