clang: Upgrade to 15.0.4

Brings these changes

* 5c68a1cb1231 AMDGPU: Make various vector undefs legal
* 80a9fc840b1b [clang][Sema] Fix a clang crash with btf_type_tag
* 08bd84e8a635 [SPARC] Make calls to function with big return values work
* 9d46557baa84 Take memset_inline into account in analyzeLoadFromClobberingMemInst
* dd711a939122 [lld-macho] Canonicalize personality pointers in EH frames
* 3010b7e00000 [clang][driver] Remove dynamic gcc-toolset/devtoolset logic
* db68723804fd [clangd] Return earlier when snippet is empty
* 2d5c43ad4844 [lldb]  Automatically unwrap parameter packs in template argument accessors
* 1e1c5204c259 [SystemZ] Relase notes for LLVM 15
* dccd0613025a [ELF] Suppress "duplicate symbol" when resolving STB_WEAK and STB_GNU_UNIQUE in different COMDATs
* 5834fe66318b [AutoUpgrade] Fix remangling when upgrading struct return type
* 5388da13992c Bump version to 15.0.4
* 455e1d765ad6 [InstCombine] Bail out of casting calls when a conversion from/to byval is involved.
* ceee53ce564c [SROA] Don't speculate phis with different load user types
* 086365be7ce0 [test] Make Linux/sem_init_glibc.cpp robust

Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/conf/layer.conf b/conf/layer.conf
index 6e17c55..558f88d 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -31,7 +31,7 @@ INHERIT += "clang"
 # Do not include clang in SDK unless user wants to
 CLANGSDK ??= "0"
 
-LLVMVERSION = "15.0.3"
+LLVMVERSION = "15.0.4"
 
 require conf/nonclangable.conf
 require conf/nonscanable.conf
diff --git a/recipes-devtools/clang/clang.inc b/recipes-devtools/clang/clang.inc
index 621fc00..74e929f 100644
--- a/recipes-devtools/clang/clang.inc
+++ b/recipes-devtools/clang/clang.inc
@@ -6,9 +6,9 @@ LLVM_GIT_PROTOCOL ?= "https"
 
 MAJOR_VER = "15"
 MINOR_VER = "0"
-PATCH_VER = "3"
+PATCH_VER = "4"
 
-SRCREV ?= "4a2c05b05ed07f1f620e94f6524a8b4b2760a0b1"
+SRCREV ?= "5c68a1cb123161b54b72ce90e7975d95a8eaf2a4"
 
 PV = "${MAJOR_VER}.${MINOR_VER}.${PATCH_VER}"
 BRANCH = "release/15.x"