deps: V8: cherry-pick 1648e050cade

Original commit message: torque: workaround stod() limitations on Solaris std::stod() on Solaris does not currently handle hex strings. This commit provides a workaround based on strtol() until proper stod() support is available. This was encountered while updating Node.js to V8 8.8. For more details see the following comment: #36139 (comment) Change-Id: I16ed80a817f6d9105e7153b10824b1fee8520432 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2692746 Reviewed-by: Michael Stanton <mvstanton@chromium.org> Commit-Queue: Michael Stanton <mvstanton@chromium.org> Cr-Commit-Position: refs/heads/master@{#73255} Refs: v8/v8@1648e05 PR-URL: #37587 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com>
nodejs · Mar 15, 2021 · 64d5be25ab282cf3f825e7068a94bbba8cddce95 · 64d5be2
1 parent 621b544
commit 64d5be25ab282cf3f825e7068a94bbba8cddce95
Showing with 12 additions and 1 deletion.

+1 −1 common.gypi

+11 −0 deps/v8/src/torque/torque-parser.cc
diff --git a/common.gypi b/common.gypi
@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.6',
+    'v8_embedder_string': '-node.7',
 
     ##### V8 defaults for Node.js #####
 

diff --git a/deps/v8/src/torque/torque-parser.cc b/deps/v8/src/torque/torque-parser.cc
@@ -1834,7 +1834,18 @@ base::Optional<ParseResult> MakeNumberLiteralExpression(
   // Meanwhile, we type it as constexpr float64 when out of int32 range.
   double value = 0;
   try {
+#if defined(V8_OS_SOLARIS)
+    // stod() on Solaris does not currently support hex strings. Use strtol()
+    // specifically for hex literals until stod() support is available.
+    if (number.find("0x") == std::string::npos &&
+        number.find("0X") == std::string::npos) {
+      value = std::stod(number);
+    } else {
+      value = static_cast<double>(strtol(number.c_str(), nullptr, 0));
+    }
+#else
     value = std::stod(number);
+#endif  // !defined(V8_OS_SOLARIS)
   } catch (const std::out_of_range&) {
     Error("double literal out-of-range").Throw();
   }