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re PR c++/84618 (ICE in build_capture_proxy, at cp/lambda.c:460)

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/cp
2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/84618
	* parser.c (cp_parser_lambda_introducer): Reject any capture not
	involving a VAR_DECL or a PARM_DECL.

/testsuite
2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/84618
	* g++.dg/cpp0x/lambda/lambda-ice29.C: New.
	* g++.dg/cpp0x/lambda/lambda-ice17.C: Adjust.
	* g++.dg/cpp0x/lambda/lambda-ice23.C: Likewise.

From-SVN: r258250
This commit is contained in:
Paolo Carlini 2018-03-05 15:40:15 +00:00 committed by Paolo Carlini
parent 800916ab50
commit 5625e74790
6 changed files with 29 additions and 8 deletions
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6
gcc/cp/ChangeLog
View File

@ -1,3 +1,9 @@
2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84618
* parser.c (cp_parser_lambda_introducer): Reject any capture not
involving a VAR_DECL or a PARM_DECL.
2018-03-05 Pádraig Brady <P@draigBrady.com>
Jason Merrill <jason@redhat.com>
Nathan Sidwell <nathan@acm.org>

12
gcc/cp/parser.c
View File

@ -10377,15 +10377,15 @@ cp_parser_lambda_introducer (cp_parser* parser, tree lambda_expr)
unqualified_name_lookup_error (capture_id);
continue;
}
else if (DECL_P (capture_init_expr)
&& (!VAR_P (capture_init_expr)
&& TREE_CODE (capture_init_expr) != PARM_DECL))
else if (!VAR_P (capture_init_expr)
&& TREE_CODE (capture_init_expr) != PARM_DECL)
{
error_at (capture_token->location,
"capture of non-variable %qD ",
"capture of non-variable %qE ",
capture_init_expr);
inform (DECL_SOURCE_LOCATION (capture_init_expr),
"%q#D declared here", capture_init_expr);
if (DECL_P (capture_init_expr))
inform (DECL_SOURCE_LOCATION (capture_init_expr),
"%q#D declared here", capture_init_expr);
continue;
}
if (VAR_P (capture_init_expr)

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84618
* g++.dg/cpp0x/lambda/lambda-ice29.C: New.
* g++.dg/cpp0x/lambda/lambda-ice17.C: Adjust.
* g++.dg/cpp0x/lambda/lambda-ice23.C: Likewise.
2018-03-05 Olga Makhotina <olga.makhotina@intel.com>
* g++.dg/other/i386-2.C: Add -mpconfig and -mwbnoinvd.

2
gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ice17.C
View File

@ -5,7 +5,7 @@ void foo (int);
void foo (void)
{
[&foo] // { dg-error "cannot capture" }
[&foo] // { dg-error "5:capture of non-variable" }
{
foo (0);
};

2
gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ice23.C
View File

@ -3,7 +3,7 @@
template <typename T>
constexpr int r(T x) {
auto f = [r,x]() { return r(x); }; // { dg-error "incomplete type" }
auto f = [r,x]() { return r(x); }; // { dg-error "13:capture of non-variable" }
return 0;
}

8
gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ice29.C Normal file
View File

@ -0,0 +1,8 @@
// PR c++/84618
// { dg-do compile { target c++11 } }
template <int>
struct S {
void b() const;
void b() { [b] {}; } // { dg-error "15:capture of non-variable" }
};