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* [gcc r12-6066] c++: don't ICE on NAMESPACE_DECL inside FUNCTION_DECL
@ 2021-12-19 20:09 Matthias Kretz
0 siblings, 0 replies; only message in thread
From: Matthias Kretz @ 2021-12-19 20:09 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:6bcb6ed5a44b6f271891246ef7ae568bfdc14e9c
commit r12-6066-g6bcb6ed5a44b6f271891246ef7ae568bfdc14e9c
Author: Matthias Kretz <m.kretz@gsi.de>
Date: Wed Dec 15 09:45:06 2021 +0100
c++: don't ICE on NAMESPACE_DECL inside FUNCTION_DECL
Code like
void swap() {
namespace __variant = __detail::__variant;
...
}
create a NAMESPACE_DECL where the CP_DECL_CONTEXT is a FUNCTION_DECL.
DECL_TEMPLATE_INFO fails on NAMESPACE_DECL and therefore must be handled
first in the assertion.
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
gcc/cp/ChangeLog:
* module.cc (trees_out::get_merge_kind): NAMESPACE_DECLs also
cannot have a DECL_TEMPLATE_INFO.
Diff:
---
gcc/cp/module.cc | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gcc/cp/module.cc b/gcc/cp/module.cc
index f3e7af22699..8451e3dcc90 100644
--- a/gcc/cp/module.cc
+++ b/gcc/cp/module.cc
@@ -10067,9 +10067,10 @@ trees_out::get_merge_kind (tree decl, depset *dep)
tree ctx = CP_DECL_CONTEXT (decl);
if (TREE_CODE (ctx) == FUNCTION_DECL)
{
- /* USING_DECLs cannot have DECL_TEMPLATE_INFO -- this isn't
- permitting them to have one. */
+ /* USING_DECLs and NAMESPACE_DECLs cannot have DECL_TEMPLATE_INFO --
+ this isn't permitting them to have one. */
gcc_checking_assert (TREE_CODE (decl) == USING_DECL
+ || TREE_CODE (decl) == NAMESPACE_DECL
|| !DECL_LANG_SPECIFIC (decl)
|| !DECL_TEMPLATE_INFO (decl));
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