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PR c++/69912 - [6 regression] ICE in build_ctor_subob_ref initializing

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PR c++/69912 - [6 regression] ICE in build_ctor_subob_ref initializing
	a flexible array member

gcc/testsuite/ChangeLog:
2016-02-24  Martin Sebor  <msebor@redhat.com>

	PR c++/69912
	* g++.dg/ext/flexary15.C: New test.

gcc/cp/ChangeLog:
2016-02-24  Martin Sebor  <msebor@redhat.com>

	PR c++/69912
	* tree.c (build_ctor_subob_ref): Compare types' main variants
        instead of the types as they are.

From-SVN: r233678
This commit is contained in:
Martin Sebor 2016-02-24 17:23:35 +00:00 committed by Martin Sebor
parent 57c2c374df
commit 3b96b93aec
4 changed files with 31 additions and 4 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
016-02-24 Martin Sebor <msebor@redhat.com>
PR c++/69912
* tree.c (build_ctor_subob_ref): Compare types' main variants
instead of the types as they are.
2016-02-24 Jason Merrill <jason@redhat.com>
* decl.c (start_preparsed_function): Condition ctor clobber on

6
gcc/cp/tree.c
View File

@ -2592,8 +2592,10 @@ build_ctor_subob_ref (tree index, tree type, tree obj)
{
/* When the destination object refers to a flexible array member
verify that it matches the type of the source object except
for its domain. */
gcc_assert (comptypes (type, objtype, COMPARE_REDECLARATION));
for its domain and qualifiers. */
gcc_assert (comptypes (TYPE_MAIN_VARIANT (type),
TYPE_MAIN_VARIANT (objtype),
COMPARE_REDECLARATION));
}
else
gcc_assert (same_type_ignoring_top_level_qualifiers_p (type, objtype));

9
gcc/testsuite/ChangeLog
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@ -1,8 +1,13 @@
2016-02-24 Martin Sebor <msebor@redhat.com>
* gcc/testsuite/gcc.dg/builtins-68.c: Avoid making unportable
PR c++/69912
* g++.dg/ext/flexary15.C: New test.
2016-02-24 Martin Sebor <msebor@redhat.com>
* gcc.dg/builtins-68.c: Avoid making unportable
assumptions about the relationship between SIZE_MAX and UINT_MAX.
* gcc/testsuite/g++.dg/ext/builtin_alloca.C: Same.
* g++.dg/ext/builtin_alloca.C: Same.
2016-02-24 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
Charles Baylis <charles.baylis@linaro.org>

14
gcc/testsuite/g++.dg/ext/flexary15.C Normal file
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@ -0,0 +1,14 @@
// PR c++/69912 - [6 regression] ICE in build_ctor_subob_ref initializing
// a flexible array member
// { dg-do compile }
// { dg-options "-Wno-pedantic -Wno-write-strings -fpermissive" }
struct S {
int n;
char *a[];
};
void foo (const char *a)
{
const S s = { 1, { a, "b" } }; // { dg-warning "invalid conversion" }
}