[PATCH] D144272: [clang][Interp] Ignore StaticAssertDecls

[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 rG192c2c5c8947: [clang][Interp] Ignore StaticAssertDecls (authored by tbaeder).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144272/new/

https://reviews.llvm.org/D144272

Files:
  clang/lib/AST/Interp/ByteCodeStmtGen.cpp
  clang/test/AST/Interp/functions.cpp


Index: clang/test/AST/Interp/functions.cpp
===================================================================
--- clang/test/AST/Interp/functions.cpp
+++ clang/test/AST/Interp/functions.cpp
@@ -9,11 +9,28 @@
 static_assert(gimme5() == 5, "");
 
 
-template<typename T> constexpr T identity(T t) { return t; }
+template<typename T> constexpr T identity(T t) {
+  static_assert(true);
+  return t;
+}
 static_assert(identity(true), "");
 static_assert(identity(true), ""); /// Compiled bytecode should be cached
 static_assert(!identity(false), "");
 
+template<typename A, typename B>
+constexpr bool sameSize() {
+  static_assert(sizeof(A) == sizeof(B), ""); // expected-error {{static assertion failed}} \
+                                             // ref-error {{static assertion failed}} \
+                                             // expected-note {{evaluates to}} \
+                                             // ref-note {{evaluates to}}
+  return true;
+}
+static_assert(sameSize<int, int>(), "");
+static_assert(sameSize<unsigned int, int>(), "");
+static_assert(sameSize<char, long>(), ""); // expected-note {{in instantiation of function template specialization}} \
+                                           // ref-note {{in instantiation of function template specialization}}
+
+
 constexpr auto add(int a, int b) -> int {
   return identity(a) + identity(b);
 }
Index: clang/lib/AST/Interp/ByteCodeStmtGen.cpp
===================================================================
--- clang/lib/AST/Interp/ByteCodeStmtGen.cpp
+++ clang/lib/AST/Interp/ByteCodeStmtGen.cpp
@@ -224,6 +224,9 @@
 template <class Emitter>
 bool ByteCodeStmtGen<Emitter>::visitDeclStmt(const DeclStmt *DS) {
   for (auto *D : DS->decls()) {
+    if (isa<StaticAssertDecl>(D))
+      continue;
+
     const auto *VD = dyn_cast<VarDecl>(D);
     if (!VD)
       return false;


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