[PATCH] D108481: Avoid nullptr dereferencing of 'Constraint'
Sindhu Chittireddy via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Aug 23 12:55:23 PDT 2021
schittir updated this revision to Diff 368183.
schittir added a comment.
1. Removed the useless assert on TC.
2. Retained the change from `cast_or_null` to `cast`
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D108481/new/
https://reviews.llvm.org/D108481
Files:
clang/lib/Sema/SemaConcept.cpp
Index: clang/lib/Sema/SemaConcept.cpp
===================================================================
--- clang/lib/Sema/SemaConcept.cpp
+++ clang/lib/Sema/SemaConcept.cpp
@@ -1062,11 +1062,8 @@
assert(TPL->size() == 1);
const TypeConstraint *TC =
cast<TemplateTypeParmDecl>(TPL->getParam(0))->getTypeConstraint();
- assert(TC &&
- "TPL must have a template type parameter with a type constraint");
auto *Constraint =
- cast_or_null<ConceptSpecializationExpr>(
- TC->getImmediatelyDeclaredConstraint());
+ cast<ConceptSpecializationExpr>(TC->getImmediatelyDeclaredConstraint());
bool Dependent =
Constraint->getTemplateArgsAsWritten() &&
TemplateSpecializationType::anyInstantiationDependentTemplateArguments(
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