[clang] [Serialization] Use traditional for loops (NFC) (PR #102761)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-modules

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

The use of _ requires either:

- (void)_ and curly braces, or
- [[maybe_unused]].

For simple repetitions like these, we can use traditional for loops
for readable warning-free code.


---
Full diff: https://github.com/llvm/llvm-project/pull/102761.diff


1 Files Affected:

- (modified) clang/lib/Serialization/ASTReader.cpp (+2-6) 


``````````diff
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 8ff7c82950dba..5f9cfa3cf4bfa 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -11468,10 +11468,8 @@ void OMPClauseReader::VisitOMPNumTeamsClause(OMPNumTeamsClause *C) {
   unsigned NumVars = C->varlist_size();
   SmallVector<Expr *, 16> Vars;
   Vars.reserve(NumVars);
-  for ([[maybe_unused]] auto _ : llvm::seq<unsigned>(NumVars)) {
-    (void)_;
+  for (unsigned I = 0; I != NumVars; ++I)
     Vars.push_back(Record.readSubExpr());
-  }
   C->setVarRefs(Vars);
 }
 
@@ -11481,10 +11479,8 @@ void OMPClauseReader::VisitOMPThreadLimitClause(OMPThreadLimitClause *C) {
   unsigned NumVars = C->varlist_size();
   SmallVector<Expr *, 16> Vars;
   Vars.reserve(NumVars);
-  for (auto _ : llvm::seq<unsigned>(NumVars)) {
-    (void)_;
+  for (unsigned I = 0; I != NumVars; ++I)
     Vars.push_back(Record.readSubExpr());
-  }
   C->setVarRefs(Vars);
 }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/102761