From 8f4fcc62cf9b92680bed46655653f224190bfce3 Mon Sep 17 00:00:00 2001
From: Derek Mauro <dmauro@google.com>
Date: Thu, 27 Jul 2023 08:44:56 -0700
Subject: InlinedVector: Disable CFI checking during the reinterpret_cast on
 the heap allocation path. The cast occurs before the memory is initialized.

See also:
https://clang.llvm.org/docs/ControlFlowIntegrity.html#bad-cast-checking.

PiperOrigin-RevId: 551542366
Change-Id: Id5834892c36a5cb8ec095bcfee3e9e31f20c48ae
---
 absl/container/inlined_vector_test.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'absl')

diff --git a/absl/container/inlined_vector_test.cc b/absl/container/inlined_vector_test.cc
index 5acad650..d9946b2a 100644
--- a/absl/container/inlined_vector_test.cc
+++ b/absl/container/inlined_vector_test.cc
@@ -1632,6 +1632,13 @@ TEST(DynamicVec, EmplaceBack) {
   EXPECT_EQ(v.size(), 1u);
 }
 
+TEST(DynamicVec, EmplaceBackAfterHeapAllocation) {
+  DynamicVec v;
+  v.reserve(10);
+  v.emplace_back(Dynamic{});
+  EXPECT_EQ(v.size(), 1u);
+}
+
 TEST(AllocatorSupportTest, Constructors) {
   using MyAlloc = CountingAllocator<int>;
   using AllocVec = absl::InlinedVector<int, 4, MyAlloc>;
-- 
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