diff --git a/pkgs/development/compilers/llvm/git/compiler-rt/default.nix b/pkgs/development/compilers/llvm/git/compiler-rt/default.nix
index f51316beb570..606ae2868893 100644
--- a/pkgs/development/compilers/llvm/git/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/git/compiler-rt/default.nix
@@ -81,6 +81,8 @@ stdenv.mkDerivation {
     # `COMPILER_RT_DEFAULT_TARGET_ONLY` does not apply to Darwin:
     # https://github.com/llvm/llvm-project/blob/27ef42bec80b6c010b7b3729ed0528619521a690/compiler-rt/cmake/base-config-ix.cmake#L153
     "-DCOMPILER_RT_ENABLE_IOS=OFF"
+  ] ++ lib.optionals (lib.versionAtLeast version "19" && stdenv.isDarwin && lib.versionOlder stdenv.hostPlatform.darwinMinVersion "10.13") [
+    "-DSANITIZER_MIN_OSX_VERSION=10.10"
   ];
 
   outputs = [ "out" "dev" ];
diff --git a/pkgs/development/compilers/llvm/git/default.nix b/pkgs/development/compilers/llvm/git/default.nix
index bd21a75b8c2f..06da0b3b6a3c 100644
--- a/pkgs/development/compilers/llvm/git/default.nix
+++ b/pkgs/development/compilers/llvm/git/default.nix
@@ -19,9 +19,9 @@
 # LLVM release information; specify one of these but not both:
 , gitRelease ? {
     version = "19.0.0-git";
-    rev = "65058a8d732c3c41664a4dad1a1ae2a504d5c98e";
-    rev-version = "19.0.0-unstable-2024-03-16";
-    sha256 = "sha256-xV33kx/8OZ2KLtaz25RmudDrlIX7nScauTykf87jyTE=";
+    rev = "cebf77fb936a7270c7e3fa5c4a7e76216321d385";
+    rev-version = "19.0.0-unstable-2024-04-07";
+    sha256 = "sha256-616tscgsiFgHQcXW4KzK5srrudYizQFnJVM6K0qRf+I=";
 }
   # i.e.:
   # {
diff --git a/pkgs/development/compilers/llvm/git/llvm/default.nix b/pkgs/development/compilers/llvm/git/llvm/default.nix
index 670171a707f9..a9987ab2426d 100644
--- a/pkgs/development/compilers/llvm/git/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/git/llvm/default.nix
@@ -214,10 +214,6 @@ stdenv.mkDerivation (rec {
     # TODO(@rrbutani): fix/follow-up
     substituteInPlace unittests/TargetParser/Host.cpp \
       --replace "getMacOSHostVersion" "DISABLED_getMacOSHostVersion"
-
-    # This test fails with a `dysmutil` crash; have not yet dug into what's
-    # going on here (TODO(@rrbutani)).
-    rm test/tools/dsymutil/ARM/obfuscated.test
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \