Fix "unsafe narrowing" warnings in absl, 6/n.

Addresses failures with the following, in some files:
-Wshorten-64-to-32
-Wimplicit-int-conversion
-Wsign-compare
-Wsign-conversion
-Wtautological-unsigned-zero-compare

(This specific CL focuses on .cc files in strings/internal/.)

Bug: chromium:1292951
PiperOrigin-RevId: 470810568
Change-Id: Ibd316a7e62cc43cb198ba22daed565c9573ce235

1 files changed, 2 insertions, 1 deletions

diff --git a/absl/strings/internal/str_split_internal.h b/absl/strings/internal/str_split_internal.h
index e7664216..35edf3aa 100644
--- a/absl/strings/internal/str_split_internal.h
+++ b/absl/strings/internal/str_split_internal.h
@@ -132,7 +132,8 @@ class SplitIterator {
       const absl::string_view text = splitter_->text();
       const absl::string_view d = delimiter_.Find(text, pos_);
       if (d.data() == text.data() + text.size()) state_ = kLastState;
-      curr_ = text.substr(pos_, d.data() - (text.data() + pos_));
+      curr_ = text.substr(pos_,
+                          static_cast<size_t>(d.data() - (text.data() + pos_)));
       pos_ += curr_.size() + d.size();
     } while (!predicate_(curr_));
     return *this;