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RedBear-OS/local/recipes/dev/libclc/source/clang/test/Driver/fp-contract.c
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vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class) 
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

258 lines
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// Test that -ffp-contract is set to the right value when combined with
// the options -ffast-math, -fno-fast-math, funsafe-math-optimizations,
// fno-unsafe-math-optimizations.
// These warning checks are above the run lines because the warning is reported
// before the drive options that are checked below the run lines.
// WARN_FM_OFF: warning: overriding '-ffast-math' option with '-ffp-contract=off'
// WARN_FM_ON: warning: overriding '-ffast-math' option with '-ffp-contract=on'
// WARN_FM_FHP: warning: overriding '-ffast-math' option with '-ffp-contract=fast-honor-pragmas'
// WARN_UM_OFF: warning: overriding '-funsafe-math-optimizations' option with '-ffp-contract=off'
// WARN_UM_ON: warning: overriding '-funsafe-math-optimizations' option with '-ffp-contract=on'
// ffast-math, fno-fast-math
// RUN: %clang -### -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// CHECK-FPC-FAST: "-ffp-contract=fast"
// RUN: %clang -### -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -ffast-math -ffp-contract=on -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_FM_ON %s
// CHECK-FPC-ON: "-ffp-contract=on"
// RUN: %clang -### -ffast-math -ffp-contract=off -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_FM_OFF %s
// CHECK-FPC-OFF: "-ffp-contract=off"
// RUN: %clang -### -Werror -ffast-math -ffp-contract=fast -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -ffast-math -ffp-contract=fast-honor-pragmas -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-FAST-HONOR,WARN_FM_FHP %s
// CHECK-FPC-FAST-HONOR: "-ffp-contract=fast-honor-pragmas"
// RUN: %clang -### -Werror -ffp-contract=fast -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=on -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=off -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=fast -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=on -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=off -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -ffast-math -ffp-contract=fast -ffp-contract=on -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -ffast-math -ffp-contract=on -ffp-contract=off -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_FM_ON %s
// RUN: %clang -### -ffast-math -ffp-contract=on -ffp-contract=fast -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-FAST,WARN_FM_ON %s
// RUN: %clang -### -ffast-math -ffp-contract=off -ffp-contract=on -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_FM_OFF %s
// RUN: %clang -### -ffast-math -ffp-contract=off -ffp-contract=fast \
// RUN: -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-FAST,WARN_FM_OFF %s
// RUN: %clang -### -ffast-math -ffp-contract=on -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_FM_ON %s
// RUN: %clang -### -ffast-math -ffp-contract=off -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_FM_OFF %s
// RUN: %clang -### -Werror -ffast-math -ffp-contract=fast -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffast-math -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -fno-fast-math -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -fno-fast-math -ffp-contract=on -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -fno-fast-math -ffp-contract=off -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -fno-fast-math -ffp-contract=fast -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=fast -fno-fast-math -ffp-contract=on \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=fast -fno-fast-math -ffp-contract=off \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -ffp-contract=off -fno-fast-math -ffp-contract=fast \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=off -fno-fast-math -ffp-contract=on \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=on -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=off -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=fast -ffast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=on -ffast-math -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=off -ffast-math -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -ffp-contract=fast -ffast-math -fno-fast-math -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -fno-fast-math -ffast-math -ffp-contract=fast \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -fno-fast-math -ffast-math -ffp-contract=on \
// RUN: -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_FM_ON %s
// RUN: %clang -### -fno-fast-math -ffast-math -ffp-contract=off \
// RUN: -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_FM_OFF %s
// funsafe-math-optimizations, fno-unsafe-math-optimizations
// RUN: %clang -### -Werror -funsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=on -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_UM_ON %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=off -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_UM_OFF %s
// RUN: %clang -### -Werror -funsafe-math-optimizations -ffp-contract=fast -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=fast -funsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=on -funsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=off -funsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=fast -fno-unsafe-math-optimizations -c \
// RUN: %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=on -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=off -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -funsafe-math-optimizations -ffp-contract=fast \
// RUN: -ffp-contract=on -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=on \
// RUN: -ffp-contract=off -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_UM_ON %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=on \
// RUN: -ffp-contract=fast -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-FAST,WARN_UM_ON %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=off \
// RUN: -ffp-contract=on -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_UM_OFF %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=off \
// RUN: -ffp-contract=fast \
// RUN: -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-FAST,WARN_UM_OFF %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=on \
// RUN: -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_UM_ON %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=off \
// RUN: -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_UM_OFF %s
// RUN: %clang -### -Werror -funsafe-math-optimizations -ffp-contract=fast \
// RUN: -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -funsafe-math-optimizations -fno-unsafe-math-optimizations \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -fno-unsafe-math-optimizations -funsafe-math-optimizations \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -fno-unsafe-math-optimizations -ffp-contract=on -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -fno-unsafe-math-optimizations -ffp-contract=off -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -fno-unsafe-math-optimizations -ffp-contract=fast -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=fast -fno-unsafe-math-optimizations \
// RUN: -ffp-contract=on \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=fast -fno-unsafe-math-optimizations \
// RUN: -ffp-contract=off \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -ffp-contract=off -fno-unsafe-math-optimizations \
// RUN: -ffp-contract=fast \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=off -fno-unsafe-math-optimizations \
// RUN: -ffp-contract=on -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=on -funsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=off -funsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=fast -funsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -ffp-contract=on -funsafe-math-optimizations -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-ON %s
// RUN: %clang -### -Werror -ffp-contract=off -funsafe-math-optimizations -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-OFF %s
// RUN: %clang -### -Werror -ffp-contract=fast -funsafe-math-optimizations -fno-unsafe-math-optimizations -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -Werror -fno-unsafe-math-optimizations -funsafe-math-optimizations \
// RUN: -ffp-contract=fast \
// RUN: -c %s 2>&1 | FileCheck --check-prefix=CHECK-FPC-FAST %s
// RUN: %clang -### -fno-unsafe-math-optimizations -funsafe-math-optimizations \
// RUN: -ffp-contract=on -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-ON,WARN_UM_ON %s
// RUN: %clang -### -fno-unsafe-math-optimizations -funsafe-math-optimizations \
// RUN: -ffp-contract=off -c %s 2>&1 | FileCheck --check-prefixes=CHECK-FPC-OFF,WARN_UM_OFF %s
// RUN: %clang -### -funsafe-math-optimizations -ffp-contract=off -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=WARN_UM_OFF %s
// This case should not warn
// RUN: %clang -### -Werror -funsafe-math-optimizations \
// RUN: -fno-unsafe-math-optimizations -ffp-contract=off -c %s
// RUN: %clang -### -ffast-math -ffp-contract=off -c %s 2>&1 \
// RUN: | FileCheck --check-prefix=WARN_FM_OFF %s
// This case should not warn
// RUN: %clang -### -Werror -ffast-math -fno-fast-math -ffp-contract=off -c %s
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