[sanitizer] Add hexagon support to lsan

Adds build support for hexagon linux to lsan.

Author: androm3da

compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake

@@ -50,7 +50,8 @@ set(ALL_GWP_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64})
 if(APPLE)
   set(ALL_LSAN_SUPPORTED_ARCH ${X86} ${X86_64} ${MIPS64} ${ARM64})
 else()
-  set(ALL_LSAN_SUPPORTED_ARCH ${X86} ${X86_64} ${MIPS64} ${ARM64} ${ARM32} ${PPC64} ${S390X} ${RISCV64})
+  set(ALL_LSAN_SUPPORTED_ARCH ${X86} ${X86_64} ${MIPS64} ${ARM64} ${ARM32}
+      ${PPC64} ${S390X} ${RISCV64} ${HEXAGON})
 endif()
 set(ALL_MSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64} ${PPC64} ${S390X})
 set(ALL_HWASAN_SUPPORTED_ARCH ${X86_64} ${ARM64})

compiler-rt/lib/lsan/lsan_allocator.h

@@ -50,7 +50,7 @@ struct ChunkMetadata {
 };
 
 #if defined(__mips64) || defined(__aarch64__) || defined(__i386__) || \
-    defined(__arm__) || SANITIZER_RISCV64
+    defined(__arm__) || SANITIZER_RISCV64 || defined(__hexagon__)
 template <typename AddressSpaceViewTy>
 struct AP32 {
   static const uptr kSpaceBeg = 0;