deps: V8: fix filename manipulation for Windows

PR-URL: https://github.com/nodejs/node/pull/28016
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/deps/v8/src/torque/csa-generator.cc b/deps/v8/src/torque/csa-generator.cc
index d7233aceb2..a29f832e7d 100644
--- a/deps/v8/src/torque/csa-generator.cc
+++ b/deps/v8/src/torque/csa-generator.cc
@@ -56,10 +56,14 @@ Stack<std::string> CSAGenerator::EmitBlock(const Block* block) {
 }
 
 void CSAGenerator::EmitSourcePosition(SourcePosition pos, bool always_emit) {
-  const std::string& file = SourceFileMap::GetSource(pos.source);
+  std::string file = SourceFileMap::GetSource(pos.source);
   if (always_emit || !previous_position_.CompareStartIgnoreColumn(pos)) {
     // Lines in Torque SourcePositions are zero-based, while the
     // CodeStubAssembler and downwind systems are one-based.
+    for (auto& c : file) {
+      if (c == '\\')
+        c = '/';
+    }
     out_ << "    ca_.SetSourcePosition(\"" << file << "\", "
          << (pos.start.line + 1) << ");\n";
     previous_position_ = pos;