Reorder commits: upstreamable first, fork-specific last

[angerman]

Summary

Reorders all 92 commits on stable-ghc-9.14 (from base 902339d332) so that upstreamable patches come first, followed by bridge commits, then fork-specific commits. This makes it easy to identify, extract, and submit patches upstream.

Tree is identical to origin/stable-ghc-9.14 — git diff is empty. The AArch64 NCG commits were squashed from 3 → 1. Two commits became empty during reordering (their content was already incorporated by earlier commits in the new order) and were dropped, bringing the total from 96 → 92.

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Part A — Upstreamable (52 commits)

Patches that are either already upstream, pending upstream, or candidates for upstreaming to GHC HEAD.

A1. Compiler & Bootstrap Compatibility (6 commits)

#	Hash	Subject	Upstream Status
1	749b7fbd46	Conditionalize ghc-internal dependency on ghc version	Not yet
2	b16af54c68	Allow building with boot compiler without ghc-internal	Not yet
3	7ba3136768	Allow Core plugins to access unoptimized Core (#23337)	✅ Merged — !14759
4	0d3ead9626	Print fully qualified unit names in name mismatch	Not yet
5	2ea64e70ca	Better 'could not execute' error message	Not yet
6	5295374c8e	system-cxx-std-lib: use cxx instead of c	Not yet (prior attempt: !10116)

A2. Tooling Improvements (4 commits)

#	Hash	Subject	Upstream Status
7	7103d3c8ea	ghc-pkg: mermaid diagram generation	Not yet
8	046f672e3f	ghc-pkg: --target support	Not yet
9	d527f4b766	ghc-pkg: add unitDataDir field	Not yet
10	3c34ec9c8e	deriveConstant: support .bss section symbols (#26393)	✅ Merged — !14795

A3. Platform & Config (3 commits)

#	Hash	Subject	Upstream Status
11	60ff5de9bb	Normalise LLVM target triple for Apple platforms	Not yet
12	5b701750ee	ghc-internal: Add --with-compiler configure option	Not yet
13	261d120c09	gitignore: add AI coding assistant files	Not yet

A4. Static Linking Feature (13 commits)

#	Hash	Subject	Upstream Status
14	b28d5385eb	compiler: add -no-rts flag	Not yet
15	95d01932f6	Support statically linking executables properly	✅ Merged — !14935
16	d55306c766	Warn when "-dynamic" mixed with "-staticlib"	Part of static linking series
17	05e275c9ed	Move wasm "ways" constraints to makeDynFlagsConsistent	Part of static linking series
18	d7cad13751	Rename LinkBinary/BinaryLinkMode	Part of static linking series
19	9d18299086	Make sure 'extra-libraries-static' consistently defined	Part of static linking series
20	ca3303e3a7	Add -exclude-static-external	Part of static linking series
21	ae7cf2f389	Add test for -fully-static	Part of static linking series
22	5f612650df	Fix docs	Part of static linking series
23	a0f9a79cc5	Better error handling when linking statically	Part of static linking series
24	4a54d221a8	GHC: enable PIC on linux/freebsd x86_64	Part of static linking series
25	17ef33b955	Add test for -static-external	Part of static linking series
26	ff15b1dd38	Fix mostly-static test on windows	Part of static linking series

A5. Linker Refactoring (3 commits)

#	Hash	Subject	Upstream Status
27	7ddcaa61f9	Build external interpreter program on demand (#24731)	✅ Merged — !15029
28	b9bf745816	Fix comment to match renamed linkExecutable	Not yet
29	bb8b9ff4e1	ghc-bin, ghc-iserv: export RTS symbols for dynamic code loading	Not yet

A6. RTS Bug Fixes (7 commits)

#	Hash	Subject	Upstream Status
30	e6028886f6	Use modern __atomic builtins in atomic.c	Not yet (related: !15434, #26729)
31	d67d39f96a	Fix object file format detection in loadArchive	Not yet
32	509e1d350c	Initialize gc_thread timing fields	Not yet
33	1d7b991c45	Add stgCallocAlignedBytes with zeroing semantics	Not yet
34	47e5861d31	Fix negative exit_elapsed_ns on Alpine/musl	Not yet
35	cf2c0ddd25	rts: fix RTS linker for dynamic GHC builds	Not yet
36	8b8324a99e	On-demand archive prelinking for GHC internal linker	Not yet

A7. AArch64 NCG (1 squashed commit, was 3)

#	Hash	Subject	Upstream Status
37	b22503b15d	AArch64 NCG: peephole optimizer, new instructions, codegen improvements	Not yet

Squashed from 3 commits: peephole optimizer + inline memcpy/memset fix + @pageoff relocation folding. Includes LDP/STP formation, TBZ/TBNZ, CSEL/CSINC/CSNEG, far branch handling, and pointer tag folding (~34KB binary size reduction).

A8. WASM Backend (6 commits)

#	Hash	Subject	Upstream Status
38	343f0fdd06	On-demand GlobalRegs compilation for WASM	Not yet
39	16d6af68ca	Fix NCG .functype and .size emission for WASM	Not yet
40	6fa2b3853b	CLOSURE import annotations for C data in .cmm	Not yet
41	6eb9d3e8d7	Guard dladdr/Dl_info against WASM/WASI	Not yet
42	982b7224e0	Exclude libffi-clib for WASM/WASI	Not yet
43	bc31f0bfe4	Fix clockid_t type for WASI	Not yet

A9. Windows (1 commit)

#	Hash	Subject	Upstream Status
44	8d5879c159	Fix PIC jump tables on Windows (#24016)	✅ Merged — !14876

A10. Test & Platform Fixes (8 commits)

#	Hash	Subject	Upstream Status
45	47d9e1c1bc	Filter ld garbage on mac	Not yet
46	86a8634ccd	Bump Cabal submodule (tarball extraction race fix)	Not yet
47	b3ddb8ebd8	T20010 broken on darwin/non-dynamic too	Not yet
48	6dc6bad1bf	T13786 not broken on linux with non-dynamic	Not yet
49	f2ba7e1466	Skip uniques test if no git repo	Not yet
50	9cd1578e41	Mark T25240 as fragile	Not yet
51	338c911d89	Mark T7040_ghci fragile on darwin x86_64	Not yet
52	04a1d2a12c	Mark T13786 as fragile on darwin x86_64	Not yet

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Part B — Bridge / Maybe-Upstreamable (4 commits)

Commits that serve both upstream and fork needs, or whose upstreamability depends on context.

#	Hash	Subject
53	699c7b74e7	genprimopcode: add --wrappers/--prim-module
54	18cf7a5aaf	rts: check if we need -lm in configure
55	8b176a4795	compiler: fixes for dynamic GHC builds
56	7f21d9367b	testsuite: adapt to cabal update, gate plugins-external

---

Part C — Fork-Specific (36 commits)

Commits specific to the Stable Haskell build system, branding, CI, and infrastructure. Not intended for upstream.

C1. RTS Modularization & Split (5 commits)

#	Hash	Subject
57	adabe3fdb6	Modularize RTS: extract rts-headers and rts-fs
58	8b181b6e15	unlit: use rts prefix
59	35ce1ff4dc	rts: split into sub-libraries
60	a3aa746842	testsuite: rts split adjustments
61	2b07e66afe	Link against rts sublib too

C2. Build System (5 commits)

#	Hash	Subject
62	791e0bdf25	cabal: use feature/cross-compile branch
63	b2be57251a	libffi: drop
64	5ebcd7c3a7	Implement cabal-based multi-stage build system
65	4405a8ffd7	Rewrite Makefile build system with improved structure
66	b951f6c337	Add note about stage2

C3. Build Miscellany (6 commits)

#	Hash	Subject
67	b18cf6de39	Add .envrc
68	2d9ee6a155	ghc-config: add more fields
69	f676c44b76	Ignore LLVM Version
70	6d2caa6b1d	Fix FreeBSD stage2/stage3
71	a993682672	docs: consolidate building/contributing into README
72	fd0b99ebf0	[stage1] remove hard ghc-internal/ghc-heap dependency

C4. Submodule Management & libffi (4 commits)

#	Hash	Subject
73	4d3eee79c9	Add bundled libffi-clib
74	41d22923ec	Update cabal to support GHCs new '-fully-static'
75	ebbb3a5962	Remove gitlab submodules
76	1eb1d85c03	Remove the rest of the submodules

C5. Dynamic Builds (3 commits)

#	Hash	Subject
77	bade0141e0	build: infrastructure for DYNAMIC=1 builds
78	af07a242f8	rts: add dynamic linking support for RTS sublibraries
79	842ff27c2d	testsuite: adjustments for RTS split and dynamic GHC builds

C6. Platform Support & Branding (5 commits)

#	Hash	Subject
80	4b92f9354c	Windows support
81	71ad1f2cfe	ghc-toolchain hack adding ways
82	9336e48cea	Rebrand as Stable Haskell Edition
83	225892f6bd	Update test expectations for Stable Haskell bug report URL
84	5464d672bc	Bump mac x86 runners to macOS-15-intel

C7. CI, Metrics & Fork-Specific Tests (8 commits)

#	Hash	Subject
85	cefd9f4624	ci: add dynamic build matrix to GitHub workflows
86	4977f1122f	CI: Add release workflow with artifact handling
87	a242842be1	Add build metrics: QUIET mode, timing, CI instrumentation
88	15e3cdc669	TESTS: Add missing EXTRA_HC_OPTS
89	3f2f492be2	Update T20604 stdout
90	9b71ceff52	wasm: fix WASM build configuration in Makefile
91	a193fe382f	hsc2hs: batch cross-compilation for massive speedup (#154)
92	7968d7c725	gitignore: add local WASM toolchain artifacts

---

Verification

git diff origin/stable-ghc-9.14 reorg2/stable-ghc-9.14
# (empty — trees are identical)

Upstream Summary

5 commits already merged upstream:

• !14759 — Core plugins (#23337)
• !14795 — deriveConstants .bss (#26393)
• !14876 — Windows PIC jump tables (#24016)
• !14935 — Static linking
• !15029 — Build iserv on demand (#24731)

~47 upstreamable commits remaining, including the AArch64 NCG improvements, WASM backend fixes, RTS bug fixes, and static linking follow-ups.

[angerman]

Tracking issue for upstream work: #175

[mergify]

⚠️ The sha of the head commit of this PR conflicts with #119. Mergify cannot evaluate rules on this PR. Once #119 is merged or closed, Mergify will resume processing this PR. ⚠️