Fix compiler errors with clang21, gcc15/gcc16. (#383)

* fix-clang21 build error with gtest

* fix gcc15/16 exception when idx2 is larger than src.next.size()

diff --git a/src/nfa/shengcompile.cpp b/src/nfa/shengcompile.cpp
index 2fbda9a5f833b500bee6095cd62c05df671ffb38..c85558d0b0a1f8b419cb730b5778964350a41991 100644 (file)
--- a/src/nfa/shengcompile.cpp
+++ b/src/nfa/shengcompile.cpp
@@ -100,7 +100,9 @@ struct dfa_info {
     }
     dstate &next(dstate_id_t idx, u16 chr) {
         const auto &src = (*this)[idx];
-        auto next_id = src.next[raw.alpha_remap[chr]];
+        const auto idx2 = raw.alpha_remap[chr];
+        if (idx2 >= src.next.size()) return floating;
+        auto next_id = src.next[idx2];
         return states[next_id];
     }
     // get original idx from adjusted idx

diff --git a/unit/gtest/gtest-all.cc b/unit/gtest/gtest-all.cc
index a9a03b2e3b4531e96ef330bfdc4cf4eda0442a98..57766c69d8d3ed4653249fa9f9fd51203d657267 100644 (file)
--- a/unit/gtest/gtest-all.cc
+++ b/unit/gtest/gtest-all.cc
@@ -7480,7 +7480,7 @@ void StackLowerThanAddress(const void* ptr, bool* result) {
 }
 
 bool StackGrowsDown() {
-  int dummy;
+  int dummy{0};
   bool result;
   StackLowerThanAddress(&dummy, &result);
   return result;