[lldb/Reproducers] Propagate LLDB_CAPTURE_REPRODUCER to the test suite

lldb/test/API/lit.cfg.py

@@ -54,6 +54,11 @@ if config.shared_libs:
     lit_config.warning("unable to inject shared library path on '{}'".format(
         platform.system()))
 
+# Propagate LLDB_CAPTURE_REPRODUCER
+if 'LLDB_CAPTURE_REPRODUCER' in os.environ:
+  config.environment['LLDB_CAPTURE_REPRODUCER'] = os.environ[
+      'LLDB_CAPTURE_REPRODUCER']
+
 # Clean the module caches in the test build directory. This is necessary in an
 # incremental build whenever clang changes underneath, so doing it once per
 # lit.py invocation is close enough.

lldb/test/Shell/Reproducer/lit.local.cfg

@@ -1,3 +1,6 @@
 # Enable crash reports for the reproducer tests.
-del config.environment['LLVM_DISABLE_CRASH_REPORT']
-del config.environment['LLDB_CAPTURE_REPRODUCER']
+if 'LLVM_DISABLE_CRASH_REPORT' in config.environment:
+  del config.environment['LLVM_DISABLE_CRASH_REPORT']
+
+if 'LLDB_CAPTURE_REPRODUCER' in config.environment:
+  del config.environment['LLDB_CAPTURE_REPRODUCER']

lldb/test/Shell/lit.cfg.py

@@ -38,6 +38,10 @@ config.test_source_root = os.path.dirname(__file__)
 # test_exec_root: The root path where tests should be run.
 config.test_exec_root = os.path.join(config.lldb_obj_root, 'test')
 
+# Propagate LLDB_CAPTURE_REPRODUCER
+if 'LLDB_CAPTURE_REPRODUCER' in os.environ:
+  config.environment['LLDB_CAPTURE_REPRODUCER'] = os.environ[
+      'LLDB_CAPTURE_REPRODUCER']
 
 llvm_config.use_default_substitutions()
 toolchain.use_lldb_substitutions(config)