Vendor import of llvm-project main llvmorg-18-init-18359-g93248729cfae,

the last commit before the upstream release/18.x branch was created.

llvm/tools/llvm-cov/SourceCoverageView.cpp

@@ -48,7 +48,7 @@ std::string CoveragePrinter::getOutputPath(StringRef Path, StringRef Extension,
   sys::path::append(FullPath, PathFilename);
   sys::path::native(FullPath);
 
-  return std::string(FullPath.str());
+  return std::string(FullPath);
 }
 
 Expected<CoveragePrinter::OwnedStream>
@@ -130,6 +130,8 @@ bool SourceCoverageView::shouldRenderRegionMarkers(
     const auto *CurSeg = Segments[I];
     if (!CurSeg->IsRegionEntry || CurSeg->Count == LCS.getExecutionCount())
       continue;
+    if (!CurSeg->HasCount) // don't show tooltips for SkippedRegions
+      continue;
     return true;
   }
   return false;
@@ -163,7 +165,7 @@ std::string SourceCoverageView::getSourceName() const {
   SmallString<128> SourceText(SourceName);
   sys::path::remove_dots(SourceText, /*remove_dot_dot=*/true);
   sys::path::native(SourceText);
-  return std::string(SourceText.str());
+  return std::string(SourceText);
 }
 
 void SourceCoverageView::addExpansion(