Files
llvm-project/clang/test/CodeGenCXX/eh-aggregate-copy-destroy.cpp
Alexey Bataev 5d49b83020 [EH] Fix for clang bug 24005 - no cleanup for array of memcpy-able objects in struct (patch by Denis Zobnin)
The fix is to emit cleanup for arrays of memcpy-able objects in struct if an exception is thrown later during copy-construction.
Differential Revision: http://reviews.llvm.org/D10989

llvm-svn: 241670
2015-07-08 07:31:02 +00:00

38 lines
799 B
C++

// Check that in case of copying an array of memcpy-able objects, their
// destructors will be called if an exception is thrown.
//
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fexceptions -fcxx-exceptions -O0 -fno-elide-constructors -emit-llvm %s -o - | FileCheck %s
struct ImplicitCopy {
int x;
ImplicitCopy() { x = 10; }
~ImplicitCopy() { x = 20; }
};
struct ThrowCopy {
ThrowCopy() {}
ThrowCopy(const ThrowCopy &) { throw 1; }
};
struct Container {
ImplicitCopy b[2];
ThrowCopy c;
};
int main () {
try {
Container c1;
// CHECK_LABEL: main
// CHECK-NOT: call void @_ZN9ThrowCopyC1ERKS_
// CHECK: invoke void @_ZN9ThrowCopyC1ERKS_
// CHECK: invoke void @_ZN12ImplicitCopyD1Ev
Container c2(c1);
}
catch (...) {
return 1;
}
return 0;
}