diff options
Diffstat (limited to 'build/build-clang/android-mangling-error_clang_12.patch')
| -rw-r--r-- | build/build-clang/android-mangling-error_clang_12.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/build/build-clang/android-mangling-error_clang_12.patch b/build/build-clang/android-mangling-error_clang_12.patch new file mode 100644 index 0000000000..315756d30b --- /dev/null +++ b/build/build-clang/android-mangling-error_clang_12.patch @@ -0,0 +1,24 @@ +Workaround segfault in clang's mangling code that is tickled when +attempting to mangle the declaration: + std:__ndk1::__find_detail::__find_exactly_one_checked::__matches +in the <tuple> header in the Android NDK. +This codepath is exercised by MozsearchIndexer.cpp (the searchfox +indexer) when indexing on Android. See also +https://bugs.llvm.org/show_bug.cgi?id=40747 + +diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp +index 4420f6a2c1c3..39792e6b7350 100644 +--- a/clang/lib/AST/ItaniumMangle.cpp ++++ b/clang/lib/AST/ItaniumMangle.cpp +@@ -3954,6 +3954,11 @@ void CXXNameMangler::mangleExpression(const Expr *E, unsigned Arity, + // produces no output, where ImplicitlyConvertedToType and AsTemplateArg need + // to be preserved. + recurse: ++ if (!E) { ++ Out << "MOZ_WE_HACKED_AROUND_BUG_1500941"; ++ return; ++ } ++ + switch (E->getStmtClass()) { + case Expr::NoStmtClass: + #define ABSTRACT_STMT(Type) |