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-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/lambda.c6
-rw-r--r--gcc/testsuite/g++.dg/cpp1y/lambda-generic-const6.C18
3 files changed, 28 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index f0545ae..6c474fd 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2019-02-01 Jason Merrill <jason@redhat.com>
+
+ PR c++/88761 - ICE with reference capture of constant.
+ * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
+ non-proxy decls.
+
2019-02-01 Marek Polacek <polacek@redhat.com>
PR c++/88325 - ICE with invalid out-of-line template member definition.
diff --git a/gcc/cp/lambda.c b/gcc/cp/lambda.c
index 4b7a358..c31b06e 100644
--- a/gcc/cp/lambda.c
+++ b/gcc/cp/lambda.c
@@ -1488,8 +1488,10 @@ mark_const_cap_r (tree *t, int *walk_subtrees, void *data)
{
tree decl = DECL_EXPR_DECL (*t);
if (is_constant_capture_proxy (decl))
- var = DECL_CAPTURED_VARIABLE (decl);
- *walk_subtrees = 0;
+ {
+ var = DECL_CAPTURED_VARIABLE (decl);
+ *walk_subtrees = 0;
+ }
}
else if (is_constant_capture_proxy (*t))
var = DECL_CAPTURED_VARIABLE (*t);
diff --git a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-const6.C b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-const6.C
new file mode 100644
index 0000000..e85d649
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-const6.C
@@ -0,0 +1,18 @@
+// PR c++/88761
+// { dg-do compile { target c++14 } }
+
+template <class T>
+void f(T t) { t(1); }
+
+int main()
+{
+ const unsigned long nf = 10'000'000;
+
+ auto loop = [&](auto)
+ {
+ auto x = +nf;
+ auto y = &nf;
+ };
+
+ f(loop);
+}