Update regression tests and build# post-merge

Author: hsutter

regression-tests/test-results/clang-12/pure2-bugfix-for-optional-template-argument-list.cpp.execution

@@ -0,0 +1 @@
+pure2-bugfix-for-optional-template-argument-list.cpp

regression-tests/test-results/clang-12/pure2-bugfix-for-optional-template-argument-list.cpp.output

@@ -1,5 +1,5 @@
 
-cppfront compiler v0.2.1   Build 8617:0816
+cppfront compiler v0.2.1   Build 8617:0920
 Copyright(c) Herb Sutter   All rights reserved
 
 SPDX-License-Identifier: CC-BY-NC-ND-4.0

regression-tests/test-results/gcc-10/pure2-bugfix-for-optional-template-argument-list.cpp.execution

@@ -1 +1 @@
-"8617:0816"
+"8617:0920"

regression-tests/test-results/gcc-10/pure2-bugfix-for-optional-template-argument-list.cpp.output

@@ -114,8 +114,18 @@ auto is_preprocessor(
 auto starts_with_import(std::string const& line)
     -> bool
 {
-    auto import_first = std::find_if_not(line.data(), line.data()+line.length(), [](char c) { return std::isspace(c); });
-    auto import_last = std::find_if(import_first, line.data()+line.length(), [](char c) { return std::isspace(c); });
+    auto import_first =
+        std::find_if_not(
+            line.data(),
+            line.data()+line.length(),
+            [](char c) { return std::isspace(c); }
+        );
+    auto import_last =
+        std::find_if(
+            import_first,
+            line.data()+line.length(),
+            [](char c) { return std::isspace(c); }
+        );
     return std::string_view{import_first, import_last} == "import";
 }