MSVC regression-test job in CI now uses -include-std to workaround a problem with support for C++ modules

regression-tests/run-tests.sh

@@ -39,7 +39,7 @@ check_file () {
         failure=1
     else
         # Compare the content with the reference value checked in git
-        diff_output=$(git diff --ignore-cr-at-eol -- "$file")
+        diff_output=$(git diff --ignore-cr-at-eol -I"\#define CPP2\_.*\_STD" -- "$file")
         if [[ -n "$diff_output" ]]; then
             echo "            Non-matching $description:"
             printf "\n$diff_output\n\n" | tee -a "$cxx_compiler-patch.diff"
@@ -163,6 +163,11 @@ for test_file in $tests; do
     if [[ $test_name == "pure2"* ]]; then
         descr="pure Cpp2 code"
         opt="-p"
+		# Disable C++ modules with MSVC due to GitHub-hosted runner not supporting it
+		# See https://github.com/hsutter/cppfront/issues/943
+		if [[ "$cxx_compiler" == *"cl.exe"* ]]; then
+			opt="$opt -include-std"
+		fi
     fi
     echo "    Testing $descr: $test_name.cpp2"
 

regression-tests/test-results/msvc-2022/pure2-repeated-call.cpp.execution

@@ -1 +1 @@
-1268118805
+5558979605539197941

regression-tests/test-results/msvc-2022/pure2-union.cpp.execution

@@ -1,4 +1,4 @@
-sizeof(x) is 28
+sizeof(x) is 40
 (not a name)
 xyz
 42

regression-tests/test-results/msvc-2022/pure2-variadics.cpp.execution

@@ -3,4 +3,5 @@ plu
 abr
 3.14word-1500
 first all() returned false
-second all() returned true
+second all() returned true
+sum of (1, 2, 3, 100) is: 106