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* [gcc(refs/vendors/ibm/heads/perf)] c++: Fix pretty printing of TYPENAME_TYPEs
@ 2020-03-19 6:11 Jiu Fu Guo
0 siblings, 0 replies; only message in thread
From: Jiu Fu Guo @ 2020-03-19 6:11 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:ff0a62841e27b838f17a9d6253d131206072df6f
commit ff0a62841e27b838f17a9d6253d131206072df6f
Author: Patrick Palka <ppalka@redhat.com>
Date: Fri Mar 6 13:19:13 2020 -0500
c++: Fix pretty printing of TYPENAME_TYPEs
I noticed that in some concepts diagnostic messages, we were printing typename
types incorrectly, e.g. printing remove_reference_t<T> as
typename remove_reference<T>::remove_reference_t
instead of
typename remove_reference<T>::type.
Fix this by printing the TYPENAME_TYPE_FULLNAME instead of the TYPE_NAME in
cxx_pretty_printer::simple_type_specifier, which is consistent with how
dump_typename in error.c does it.
gcc/cp/ChangeLog:
* cxx-pretty-print.c (cxx_pretty_printer::simple_type_specifier)
[TYPENAME_TYPE]: Print the TYPENAME_TYPE_FULLNAME instead of the
TYPE_NAME.
gcc/testsuite/ChangeLog:
* g++.dg/concepts/diagnostic4.C: New test.
Diff:
---
gcc/cp/ChangeLog | 6 ++++++
gcc/cp/cxx-pretty-print.c | 2 +-
gcc/testsuite/ChangeLog | 4 ++++
gcc/testsuite/g++.dg/concepts/diagnostic4.C | 18 ++++++++++++++++++
4 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 98640a671cc..48ef75c732e 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2020-03-08 Patrick Palka <ppalka@redhat.com>
+
+ * cxx-pretty-print.c (cxx_pretty_printer::simple_type_specifier)
+ [TYPENAME_TYPE]: Print the TYPENAME_TYPE_FULLNAME instead of the
+ TYPE_NAME.
+
2020-03-06 Nathan Sidwell <nathan@acm.org>
PR c++/94027
diff --git a/gcc/cp/cxx-pretty-print.c b/gcc/cp/cxx-pretty-print.c
index 397bdbfa234..100154e400f 100644
--- a/gcc/cp/cxx-pretty-print.c
+++ b/gcc/cp/cxx-pretty-print.c
@@ -1360,7 +1360,7 @@ cxx_pretty_printer::simple_type_specifier (tree t)
case TYPENAME_TYPE:
pp_cxx_ws_string (this, "typename");
pp_cxx_nested_name_specifier (this, TYPE_CONTEXT (t));
- pp_cxx_unqualified_id (this, TYPE_NAME (t));
+ pp_cxx_unqualified_id (this, TYPENAME_TYPE_FULLNAME (t));
break;
default:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6fa77ce5505..99e2e426010 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2020-03-08 Patrick Palka <ppalka@redhat.com>
+
+ * g++.dg/concepts/diagnostic4.C: New test.
+
2020-03-08 H.J. Lu <hongjiu.lu@intel.com>
PR target/89229
diff --git a/gcc/testsuite/g++.dg/concepts/diagnostic4.C b/gcc/testsuite/g++.dg/concepts/diagnostic4.C
new file mode 100644
index 00000000000..677bc867634
--- /dev/null
+++ b/gcc/testsuite/g++.dg/concepts/diagnostic4.C
@@ -0,0 +1,18 @@
+// { dg-do compile { target c++2a } }
+
+template<typename T>
+ struct remove_reference
+ { using type = T; };
+
+template<typename T>
+ using remove_reference_t = remove_reference<T>::type;
+
+template<typename T>
+ inline constexpr bool blah = false;
+
+template<typename T>
+ requires blah<remove_reference_t<T>>
+ // { dg-message "typename remove_reference<T>::type" "" { target *-*-* } .-1 }
+ void foo() { }
+
+void bar() { foo<int> (); } // { dg-error "use of" }
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