[PATCH] D154474: [clang][Interp] Fix ignoring Integral- and IntegralToBoolean casts

[Timm Bäder via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG21aa8a220c01: [clang][Interp] Fix ignoring Integral- and IntegralToBoolean casts (authored by tbaeder).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D154474/new/

https://reviews.llvm.org/D154474

Files:
  clang/lib/AST/Interp/ByteCodeExprGen.cpp
  clang/test/AST/Interp/literals.cpp


Index: clang/test/AST/Interp/literals.cpp
===================================================================
--- clang/test/AST/Interp/literals.cpp
+++ clang/test/AST/Interp/literals.cpp
@@ -921,6 +921,9 @@
     sizeof(int);
     alignof(int);
 
+    (short)5;
+    (bool)1;
+
     return 0;
   }
   static_assert(ignoredExprs() == 0, "");
Index: clang/lib/AST/Interp/ByteCodeExprGen.cpp
===================================================================
--- clang/lib/AST/Interp/ByteCodeExprGen.cpp
+++ clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -150,6 +150,8 @@
 
   case CK_IntegralToBoolean:
   case CK_IntegralCast: {
+      if (DiscardResult)
+        return this->discard(SubExpr);
     std::optional<PrimType> FromT = classify(SubExpr->getType());
     std::optional<PrimType> ToT = classify(CE->getType());
     if (!FromT || !ToT)


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