[PATCH] D158827: [clang] Fix assertion fail when function has cleanups and fatal errors

Mariya Podchishchaeva via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Aug 28 02:30:07 PDT 2023


This revision was automatically updated to reflect the committed changes.
Closed by commit rG5ade434a7e74: [clang] Fix assertion fail when function has cleanups and fatal errors (authored by Fznamznon).

Changed prior to commit:
  https://reviews.llvm.org/D158827?vs=553420&id=553872#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158827/new/

https://reviews.llvm.org/D158827

Files:
  clang/docs/ReleaseNotes.rst
  clang/lib/Sema/SemaDecl.cpp
  clang/test/SemaCXX/gh48974.cpp


Index: clang/test/SemaCXX/gh48974.cpp
===================================================================
--- /dev/null
+++ clang/test/SemaCXX/gh48974.cpp
@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 -Werror=unused-parameter -Wfatal-errors -verify %s
+
+void a(int &&s) {} // expected-error{{unused parameter 's'}}
+
+void b() {
+  int sum = a(0);
+}
Index: clang/lib/Sema/SemaDecl.cpp
===================================================================
--- clang/lib/Sema/SemaDecl.cpp
+++ clang/lib/Sema/SemaDecl.cpp
@@ -16013,6 +16013,7 @@
       // been leftover. This ensures that these temporaries won't be picked up
       // for deletion in some later function.
       if (hasUncompilableErrorOccurred() ||
+          hasAnyUnrecoverableErrorsInThisFunction() ||
           getDiagnostics().getSuppressAllDiagnostics()) {
         DiscardCleanupsInEvaluationContext();
       }
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -187,6 +187,8 @@
 - Fix crash in __builtin_strncmp and related builtins when the size value
   exceeded the maximum value representable by int64_t. Fixes
   (`#64876 <https://github.com/llvm/llvm-project/issues/64876>`_)
+- Fixed an assertion if a function has cleanups and fatal erors.
+  (`#48974 <https://github.com/llvm/llvm-project/issues/48974>`_)
 
 Bug Fixes to Compiler Builtins
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^


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