gentoo-overlay/app-arch/xz-utils/files/xz-utils-5.6.0-ifunc-crc-workaround.patch

https://bugs.gentoo.org/925415
https://gcc.gnu.org/PR114115

Workaround a build failure with USE=pgo by disabling instrumentation of the
crc{32,64} IFUNC resolvers.
--- a/src/liblzma/check/crc32_fast.c
+++ b/src/liblzma/check/crc32_fast.c
@@ -135,7 +135,7 @@ typedef uint32_t (*crc32_func_type)(
 // This resolver is shared between all three dispatch methods. It serves as
 // the ifunc resolver if ifunc is supported, otherwise it is called as a
 // regular function by the constructor or first call resolution methods.
-static crc32_func_type
+static __attribute__((no_profile_instrument_function)) crc32_func_type
 crc32_resolve(void)
 {
 	return is_arch_extension_supported()
--- a/src/liblzma/check/crc64_fast.c
+++ b/src/liblzma/check/crc64_fast.c
@@ -98,7 +98,7 @@ typedef uint64_t (*crc64_func_type)(
 #	pragma GCC diagnostic ignored "-Wunused-function"
 #endif
 
-static crc64_func_type
+static __attribute__((no_profile_instrument_function)) crc64_func_type
 crc64_resolve(void)
 {
 	return is_arch_extension_supported()