Add special case fast-paths for strict functions

Replace EEOP_DONE with special steps for return/no return

expression eval: Reduce number of steps for agg transition invocations.

jit: Reference expression step functions via llvmjit_types.

jit: Remove redundancies in expression evaluation code generation.

Fix some OBJS lists in two Makefiles to be ordered alphabetically

Split all OBJS style lines in makefiles into one-line-per-entry style.

Try to stabilize results of new tuplesort regression test.

Remove unused code from tuplesort.

Add tests for tuplesort.c.

pg_waldump: Fix --bkp-details to not issue spurious newlines for FPWs.

pg_waldump: Fix small memory leak when rmgr->rm_identify returns NULL.

Replace alter_table.sql test usage of event triggers.