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authorJason Merrill <jason@redhat.com>2018-02-26 14:04:42 -0500
committerJason Merrill <jason@gcc.gnu.org>2018-02-26 14:04:42 -0500
commit106b15eac3345e62475f6087d53711c9e33c25d5 (patch)
treea7775f1b176a83add2a7063bcc89305e521aad5c /gcc
parentb671df813a16a75345cceb35030333ccc36c39f9 (diff)
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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
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/parser.c3
-rw-r--r--gcc/testsuite/g++.dg/concepts/debug1.C10
3 files changed, 18 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 7499992..bf995f0 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -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
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 4fa546a..f305c9c 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -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);
diff --git a/gcc/testsuite/g++.dg/concepts/debug1.C b/gcc/testsuite/g++.dg/concepts/debug1.C
new file mode 100644
index 0000000..eeb6365
--- /dev/null
+++ b/gcc/testsuite/g++.dg/concepts/debug1.C
@@ -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;