diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /build/clang-plugin/tests/TestCustomHeap.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | build/clang-plugin/tests/TestCustomHeap.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestCustomHeap.cpp b/build/clang-plugin/tests/TestCustomHeap.cpp new file mode 100644 index 0000000000..c1e82f2fa7 --- /dev/null +++ b/build/clang-plugin/tests/TestCustomHeap.cpp @@ -0,0 +1,29 @@ +#define MOZ_NONHEAP_CLASS __attribute__((annotate("moz_nonheap_class"))) +#ifndef MOZ_HEAP_ALLOCATOR +#define MOZ_HEAP_ALLOCATOR \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wgcc-compat\"") \ + __attribute__((annotate("moz_heap_allocator"))) \ + _Pragma("GCC diagnostic pop") +#endif + +#include <stdlib.h> +#include <memory> + +struct MOZ_NONHEAP_CLASS X { +}; + +void *operator new(size_t x, int qual) MOZ_HEAP_ALLOCATOR { + return ::operator new(x); +} + +template <typename T> +T *customAlloc() MOZ_HEAP_ALLOCATOR { + T *arg = static_cast<T*>(malloc(sizeof(T))); + return new (arg) T(); +} + +void misuseX() { + X *foo = customAlloc<X>(); // expected-error {{variable of type 'X' is not valid on the heap}} expected-note {{value incorrectly allocated on the heap}} + X *foo2 = new (100) X(); // expected-error {{variable of type 'X' is not valid on the heap}} expected-note {{value incorrectly allocated on the heap}} +} |