[clang] 70b53a3 - Fix gcc `-Wunused-variable` warning. NFC.

[Michael Liao via cfe-commits]

Author: Michael Liao
Date: 2020-01-19T12:24:21-05:00
New Revision: 70b53a301888fe2be36996b41a7dd5aa7c256dc9

URL: https://github.com/llvm/llvm-project/commit/70b53a301888fe2be36996b41a7dd5aa7c256dc9
DIFF: https://github.com/llvm/llvm-project/commit/70b53a301888fe2be36996b41a7dd5aa7c256dc9.diff

LOG: Fix gcc `-Wunused-variable` warning. NFC.

Added: 
    

Modified: 
    clang/lib/Serialization/ASTReaderStmt.cpp

Removed: 
    


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diff  --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index 5dd0ef9d43c3..99dc1e9172c4 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -732,7 +732,7 @@ readConstraintSatisfaction(ASTRecordReader &Record) {
     unsigned NumDetailRecords = Record.readInt();
     for (unsigned i = 0; i != NumDetailRecords; ++i) {
       Expr *ConstraintExpr = Record.readExpr();
-      if (bool IsDiagnostic = Record.readInt()) {
+      if (/* IsDiagnostic */Record.readInt()) {
         SourceLocation DiagLocation = Record.readSourceLocation();
         std::string DiagMessage = Record.readString();
         Satisfaction.Details.emplace_back(
@@ -822,7 +822,7 @@ void ASTStmtReader::VisitRequiresExpr(RequiresExpr *E) {
           Req.emplace();
         } else {
           NoexceptLoc = Record.readSourceLocation();
-          switch (auto returnTypeRequirementKind = Record.readInt()) {
+          switch (/* returnTypeRequirementKind */Record.readInt()) {
             case 0:
               // No return type requirement.
               Req.emplace();
@@ -853,7 +853,7 @@ void ASTStmtReader::VisitRequiresExpr(RequiresExpr *E) {
                   std::move(*Req));
       } break;
       case concepts::Requirement::RK_Nested: {
-        if (bool IsSubstitutionDiagnostic = Record.readInt()) {
+        if (/* IsSubstitutionDiagnostic */Record.readInt()) {
           R = new (Record.getContext()) concepts::NestedRequirement(
               readSubstitutionDiagnostic(Record));
           break;