[PATCH] c++: Function declared with typedef with eh-specification.

[Jason Merrill]

We just need to handle the exception specification like other properties of
a function typedef.

Tested x86_64-pc-linux-gnu, applying to trunk/9.

        PR c++/90731
        * decl.c (grokdeclarator): Propagate eh spec from typedef.
---
 gcc/cp/decl.c                                | 1 +
 gcc/testsuite/g++.dg/cpp1z/noexcept-type22.C | 6 ++++++
 2 files changed, 7 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp1z/noexcept-type22.C

diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index e55de5dd53d..6ad558eef9e 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -12848,6 +12848,7 @@ grokdeclarator (const cp_declarator *declarator,
          memfn_quals |= type_memfn_quals (type);
          rqual = type_memfn_rqual (type);
          type_quals = TYPE_UNQUALIFIED;
+         raises = TYPE_RAISES_EXCEPTIONS (type);
        }
     }
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/noexcept-type22.C 
b/gcc/testsuite/g++.dg/cpp1z/noexcept-type22.C
new file mode 100644
index 00000000000..dd9924ff1b1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1z/noexcept-type22.C
@@ -0,0 +1,6 @@
+// PR c++/90731
+// { dg-do compile { target c++17 } }
+
+typedef void T() noexcept(true);
+T t;
+void t() noexcept(true);

base-commit: a5ed4958a2c1b563e933b25ca3b481761cc40b07
-- 
2.18.1