Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

3 files changed, 95 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/Makefile
new file mode 100644
index 00000000000..99998b20bcb
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/Makefile
@@ -0,0 +1,3 @@
+CXX_SOURCES := main.cpp
+
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/TestIndexVariable.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/TestIndexVariable.py
new file mode 100644
index 00000000000..d5424c0bb40
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/TestIndexVariable.py
@@ -0,0 +1,47 @@
+"""Test evaluating expressions which ref. index variable 'i' which just goes
+from out of scope to in scope when stopped at the breakpoint."""
+
+
+
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+
+class NonOverlappingIndexVariableCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        TestBase.setUp(self)
+        self.source = 'main.cpp'
+        self.line_to_break = line_number(
+            self.source, '// Set breakpoint here.')
+
+    # rdar://problem/9890530
+    def test_eval_index_variable(self):
+        """Test expressions of variable 'i' which appears in two for loops."""
+        self.build()
+        self.runCmd("file " + self.getBuildArtifact("a.out"),
+                    CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line(
+            self,
+            self.source,
+            self.line_to_break,
+            num_expected_locations=1,
+            loc_exact=True)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        self.runCmd('frame variable i')
+        self.runCmd('expr i')
+        self.runCmd('expr ptr[0]->point.x')
+        self.runCmd('expr ptr[0]->point.y')
+        self.runCmd('expr ptr[i]->point.x')
+        self.runCmd('expr ptr[i]->point.y')
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/main.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/main.cpp
new file mode 100644
index 00000000000..2b8406a631b
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/non-overlapping-index-variable-i/main.cpp
@@ -0,0 +1,45 @@
+//===-- main.cpp ------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+class Point {
+public:
+    int x;
+    int y;
+    Point(int a, int b):
+        x(a),
+        y(b)
+    {}
+};
+
+class Data {
+public:
+    int id;
+    Point point;
+    Data(int i):
+        id(i),
+        point(0, 0)
+    {}
+};
+
+int main(int argc, char const *argv[]) {
+    Data *data[1000];
+    Data **ptr = data;
+    for (int i = 0; i < 1000; ++i) {
+        ptr[i] = new Data(i);
+        ptr[i]->point.x = i;
+        ptr[i]->point.y = i+1;
+    }
+
+    for (int i = 0; i < 1000; ++i) {
+        bool dump = argc > 1; // Set breakpoint here.
+                              // Evaluate a couple of expressions (2*1000 = 2000 exprs):
+                              // expr ptr[i]->point.x
+                              // expr ptr[i]->point.y
+    }
+    return 0;
+}