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PR c++/84551 - ICE with concepts and -g. 

* parser.c (add_debug_begin_stmt): Do nothing in a concept.

From-SVN: r258009
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Jason Merrill 2018-02-26 14:04:42 -05:00 committed by Jason Merrill
parent b671df813a
commit 106b15eac3
3 changed files with 18 additions and 0 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2018-02-26 Jason Merrill <jason@redhat.com>
PR c++/84551 - ICE with concepts and -g.
* parser.c (add_debug_begin_stmt): Do nothing in a concept.
2018-02-26 Marek Polacek <polacek@redhat.com>
PR c++/84325

3
gcc/cp/parser.c
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@ -10699,6 +10699,9 @@ add_debug_begin_stmt (location_t loc)
{
if (!MAY_HAVE_DEBUG_MARKER_STMTS)
return;
if (DECL_DECLARED_CONCEPT_P (current_function_decl))
/* A concept is never expanded normally. */
return;
tree stmt = build0 (DEBUG_BEGIN_STMT, void_type_node);
SET_EXPR_LOCATION (stmt, loc);

10
gcc/testsuite/g++.dg/concepts/debug1.C Normal file
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@ -0,0 +1,10 @@
// PR c++/84551
// { dg-options "-g -O -std=c++17 -fconcepts" }
template<typename> concept bool C() { return true; }
template<template<typename T> requires C<T>() class> struct A {};
template<typename> requires true struct B {};
A<B> a;