[llvm] [libc][bazel] Remove -mllvm --tail-merge-threshold=0 from Bazel. (PR #115061)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Alexey Samsonov (vonosmas)

<details>
<summary>Changes</summary>

Follow-up on the `-mllvm --tail-merge-threshold=0` removal promised in aeccc16497a84d61200f7ccfa3864096349260d3 (see b2a9ea4420127d10b18ae648b16757665f8bbd7c commit message on why we don't need this in Bazel, and will only keep in AArch64-specific compile flags in CMake build).

---
Full diff: https://github.com/llvm/llvm-project/pull/115061.diff


1 Files Affected:

- (modified) utils/bazel/llvm-project-overlay/libc/BUILD.bazel (-2) 


``````````diff
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index f6648c9bffa730..54c1c3eb27f203 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -3648,7 +3648,6 @@ libc_function(
     name = "memcpy",
     srcs = ["src/string/memcpy.cpp"],
     hdrs = ["src/string/memcpy.h"],
-    copts = ["-mllvm --tail-merge-threshold=0"],
     features = no_sanitize_features,
     weak = True,
     deps = [
@@ -3685,7 +3684,6 @@ libc_function(
     name = "mempcpy",
     srcs = ["src/string/mempcpy.cpp"],
     hdrs = ["src/string/mempcpy.h"],
-    copts = ["-mllvm --tail-merge-threshold=0"],
     features = no_sanitize_features,
     weak = True,
     deps = [

``````````

</details>


https://github.com/llvm/llvm-project/pull/115061