Sync from rust 2026/03/13 #1577

Job	Run time
build (libgccjit_without_int128.so, master-without-128bit-integers)	9m 6s
build (libgccjit12.so, gcc12, --no-default-features, TEST_FLAGS='-Cpanic=abort -Zpanic-abort-test...	1m 36s
build (libgccjit.so, master)	8m 53s
success_failures	4s
	19m 39s

Provide feedback