Merge remote-tracking branch 'llvm/master' into upstream-with-swift

apple-llvm-split-commit: 1bf792753dc088ce6e508990a8e17c583feed62f
apple-llvm-split-dir: lldb/

Author: swift-ci

lldb/packages/Python/lldbsuite/test/expression_command/completion-crash1/Makefile

@@ -0,0 +1,3 @@
+LEVEL = ../../make
+CXX_SOURCES := main.cpp
+include $(LEVEL)/Makefile.rules

lldb/packages/Python/lldbsuite/test/expression_command/completion-crash1/TestCompletionCrash1.py

@@ -0,0 +1,4 @@
+from lldbsuite.test import lldbinline
+from lldbsuite.test import decorators
+
+lldbinline.MakeInlineTest(__file__, globals(), [decorators.skipIf(bugnumber="rdar://53659341")])

lldb/packages/Python/lldbsuite/test/expression_command/completion-crash1/main.cpp

@@ -0,0 +1,12 @@
+namespace std {
+struct a {
+  a() {}
+  a(a &&);
+};
+template <class> struct au {
+  a ay;
+  ~au() { //%self.dbg.GetCommandInterpreter().HandleCompletion("e ", len("e "), 0, -1, lldb.SBStringList())
+  }
+};
+}
+int main() { std::au<int>{}; }