This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG5880c835bdbe: [Sema] Avoid crash in CheckEnumConstant with
contains-error expressions (authored by sammccall).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D108451/new/
https://reviews.llvm.org/D108451
Files:
clang/lib/Sema/SemaDecl.cpp
clang/test/SemaCXX/recovery-expr-type.cpp
Index: clang/test/SemaCXX/recovery-expr-type.cpp
===================================================================
--- clang/test/SemaCXX/recovery-expr-type.cpp
+++ clang/test/SemaCXX/recovery-expr-type.cpp
@@ -143,3 +143,11 @@
void crash1() { fun(); }
void crash2() { constexpr int s = fun(); }
} // namespace test12
+
+namespace test13 {
+enum Circular { // expected-note {{not complete until the closing
'}'}}
+ Circular_A = Circular(1), // expected-error {{'test13::Circular' is an
incomplete type}}
+};
+// Enumerators can be evaluated (they evaluate as zero, but we don't care).
+static_assert(Circular_A == 0 && Circular_A != 0, ""); // expected-error
{{static_assert failed}}
+}
Index: clang/lib/Sema/SemaDecl.cpp
===================================================================
--- clang/lib/Sema/SemaDecl.cpp
+++ clang/lib/Sema/SemaDecl.cpp
@@ -17813,7 +17813,8 @@
Val = DefaultLvalueConversion(Val).get();
if (Val) {
- if (Enum->isDependentType() || Val->isTypeDependent())
+ if (Enum->isDependentType() || Val->isTypeDependent() ||
+ Val->containsErrors())
EltTy = Context.DependentTy;
else {
// FIXME: We don't allow folding in C++11 mode for an enum with a fixed
Index: clang/test/SemaCXX/recovery-expr-type.cpp
===================================================================
--- clang/test/SemaCXX/recovery-expr-type.cpp
+++ clang/test/SemaCXX/recovery-expr-type.cpp
@@ -143,3 +143,11 @@
void crash1() { fun(); }
void crash2() { constexpr int s = fun(); }
} // namespace test12
+
+namespace test13 {
+enum Circular { // expected-note {{not complete until the closing '}'}}
+ Circular_A = Circular(1), // expected-error {{'test13::Circular' is an incomplete type}}
+};
+// Enumerators can be evaluated (they evaluate as zero, but we don't care).
+static_assert(Circular_A == 0 && Circular_A != 0, ""); // expected-error {{static_assert failed}}
+}
Index: clang/lib/Sema/SemaDecl.cpp
===================================================================
--- clang/lib/Sema/SemaDecl.cpp
+++ clang/lib/Sema/SemaDecl.cpp
@@ -17813,7 +17813,8 @@
Val = DefaultLvalueConversion(Val).get();
if (Val) {
- if (Enum->isDependentType() || Val->isTypeDependent())
+ if (Enum->isDependentType() || Val->isTypeDependent() ||
+ Val->containsErrors())
EltTy = Context.DependentTy;
else {
// FIXME: We don't allow folding in C++11 mode for an enum with a fixed
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