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RedBear-OS/local/recipes/dev/libclc/source/clang/test/CodeGen/exceptions-seh-finally.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

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// RUN: %clang_cc1 %s -triple x86_64-pc-win32 -fms-extensions -emit-llvm -O1 -disable-llvm-passes -o - | FileCheck %s
// RUN: %clang_cc1 %s -triple i686-pc-win32 -fms-extensions -emit-llvm -O1 -disable-llvm-passes -o - | FileCheck %s
// RUN: %clang_cc1 %s -triple aarch64-windows -fms-extensions -emit-llvm -O1 -disable-llvm-passes -o - | FileCheck %s
// NOTE: we're passing "-O1 -disable-llvm-passes" to avoid adding optnone and noinline everywhere.
void abort(void) __attribute__((noreturn));
void might_crash(void);
void cleanup(void);
int check_condition(void);
void basic_finally(void) {
__try {
might_crash();
} __finally {
cleanup();
}
}
// CHECK-LABEL: define dso_local void @basic_finally()
// CHECK: invoke void @might_crash()
// CHECK: to label %[[invoke_cont:[^ ]*]] unwind label %[[lpad:[^ ]*]]
//
// CHECK: [[invoke_cont]]
// CHECK: %[[fp:[^ ]*]] = call ptr @llvm.localaddress()
// CHECK: call void @"?fin$0@0@basic_finally@@"({{i8 noundef( zeroext)?}} 0, ptr noundef %[[fp]])
// CHECK-NEXT: ret void
//
// CHECK: [[lpad]]
// CHECK-NEXT: %[[pad:[^ ]*]] = cleanuppad
// CHECK: %[[fp:[^ ]*]] = call ptr @llvm.localaddress()
// CHECK: call void @"?fin$0@0@basic_finally@@"({{i8 noundef( zeroext)?}} 1, ptr noundef %[[fp]])
// CHECK-NEXT: cleanupret from %[[pad]] unwind to caller
// CHECK: define internal void @"?fin$0@0@basic_finally@@"({{.*}})
// CHECK-SAME: [[finally_attrs:#[0-9]+]]
// CHECK: call void @cleanup()
// Mostly check that we don't double emit 'r' which would crash.
void decl_in_finally(void) {
__try {
might_crash();
} __finally {
int r;
}
}
// Ditto, don't crash double emitting 'l'.
void label_in_finally(void) {
__try {
might_crash();
} __finally {
l:
cleanup();
if (check_condition())
goto l;
}
}
// CHECK-LABEL: define dso_local void @label_in_finally()
// CHECK: invoke void @might_crash()
// CHECK: to label %[[invoke_cont:[^ ]*]] unwind label %[[lpad:[^ ]*]]
//
// CHECK: [[invoke_cont]]
// CHECK: %[[fp:[^ ]*]] = call ptr @llvm.localaddress()
// CHECK: call void @"?fin$0@0@label_in_finally@@"({{i8 noundef( zeroext)?}} 0, ptr noundef %[[fp]])
// CHECK: ret void
// CHECK: define internal void @"?fin$0@0@label_in_finally@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: br label %[[l:[^ ]*]]
//
// CHECK: [[l]]
// CHECK: call void @cleanup()
// CHECK: call i32 @check_condition()
// CHECK: br i1 {{.*}}, label
// CHECK: br label %[[l]]
int crashed;
void use_abnormal_termination(void) {
__try {
might_crash();
} __finally {
crashed = __abnormal_termination();
}
}
// CHECK-LABEL: define dso_local void @use_abnormal_termination()
// CHECK: invoke void @might_crash()
// CHECK: to label %[[invoke_cont:[^ ]*]] unwind label %[[lpad:[^ ]*]]
//
// CHECK: [[invoke_cont]]
// CHECK: %[[fp:[^ ]*]] = call ptr @llvm.localaddress()
// CHECK: call void @"?fin$0@0@use_abnormal_termination@@"({{i8 noundef( zeroext)?}} 0, ptr noundef %[[fp]])
// CHECK: ret void
//
// CHECK: [[lpad]]
// CHECK-NEXT: %[[pad:[^ ]*]] = cleanuppad
// CHECK: %[[fp:[^ ]*]] = call ptr @llvm.localaddress()
// CHECK: call void @"?fin$0@0@use_abnormal_termination@@"({{i8 noundef( zeroext)?}} 1, ptr noundef %[[fp]])
// CHECK-NEXT: cleanupret from %[[pad]] unwind to caller
// CHECK: define internal void @"?fin$0@0@use_abnormal_termination@@"({{i8 noundef( zeroext)?}} %[[abnormal:abnormal_termination]], ptr noundef %frame_pointer)
// CHECK-SAME: [[finally_attrs]]
// CHECK: %[[abnormal_zext:[^ ]*]] = zext i8 %[[abnormal]] to i32
// CHECK: store i32 %[[abnormal_zext]], ptr @crashed
// CHECK-NEXT: ret void
void noreturn_noop_finally(void) {
__try {
__noop();
} __finally {
abort();
}
}
// CHECK-LABEL: define dso_local void @noreturn_noop_finally()
// CHECK: call void @"?fin$0@0@noreturn_noop_finally@@"({{.*}})
// CHECK: ret void
// CHECK: define internal void @"?fin$0@0@noreturn_noop_finally@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: call void @abort()
// CHECK: unreachable
void noreturn_finally(void) {
__try {
might_crash();
} __finally {
abort();
}
}
// CHECK-LABEL: define dso_local void @noreturn_finally()
// CHECK: invoke void @might_crash()
// CHECK: to label %[[cont:[^ ]*]] unwind label %[[lpad:[^ ]*]]
//
// CHECK: [[cont]]
// CHECK: call void @"?fin$0@0@noreturn_finally@@"({{.*}})
// CHECK: ret void
//
// CHECK: [[lpad]]
// CHECK-NEXT: %[[pad:[^ ]*]] = cleanuppad
// CHECK: call void @"?fin$0@0@noreturn_finally@@"({{.*}})
// CHECK-NEXT: cleanupret from %[[pad]] unwind to caller
// CHECK: define internal void @"?fin$0@0@noreturn_finally@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: call void @abort()
// CHECK: unreachable
int finally_with_return(void) {
__try {
return 42;
} __finally {
}
}
// CHECK-LABEL: define dso_local i32 @finally_with_return()
// CHECK: store i32 1, ptr %cleanup.dest.slot
// CHECK: %cleanup.dest = load i32, ptr %cleanup.dest.slot
// CHECK: icmp ne i32 %cleanup.dest
// CHECK: call void @"?fin$0@0@finally_with_return@@"({{.*}})
// CHECK: ret i32 42
// CHECK: define internal void @"?fin$0@0@finally_with_return@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK-NOT: br i1
// CHECK-NOT: br label
// CHECK: ret void
int nested___finally___finally(void) {
__try {
__try {
} __finally {
return 1;
}
} __finally {
// Intentionally no return here.
}
return 0;
}
// CHECK-LABEL: define dso_local i32 @nested___finally___finally
// CHECK: invoke void @"?fin$1@0@nested___finally___finally@@"({{.*}})
// CHECK: to label %[[outercont:[^ ]*]] unwind label %[[lpad:[^ ]*]]
//
// CHECK: [[outercont]]
// CHECK: call void @"?fin$0@0@nested___finally___finally@@"({{.*}})
// CHECK-NEXT: ret i32 0
//
// CHECK: [[lpad]]
// CHECK-NEXT: %[[pad:[^ ]*]] = cleanuppad
// CHECK: call void @"?fin$0@0@nested___finally___finally@@"({{.*}})
// CHECK-NEXT: cleanupret from %[[pad]] unwind to caller
// CHECK-LABEL: define internal void @"?fin$0@0@nested___finally___finally@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: ret void
// CHECK-LABEL: define internal void @"?fin$1@0@nested___finally___finally@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: unreachable
// FIXME: Our behavior seems suspiciously different.
int nested___finally___finally_with_eh_edge(void) {
__try {
__try {
might_crash();
} __finally {
return 899;
}
} __finally {
// Intentionally no return here.
}
return 912;
}
// CHECK-LABEL: define dso_local i32 @nested___finally___finally_with_eh_edge
// CHECK: invoke void @might_crash()
// CHECK-NEXT: to label %[[invokecont:[^ ]*]] unwind label %[[lpad1:[^ ]*]]
//
// [[invokecont]]
// CHECK: invoke void @"?fin$1@0@nested___finally___finally_with_eh_edge@@"({{.*}})
// CHECK-NEXT: to label %[[outercont:[^ ]*]] unwind label %[[lpad2:[^ ]*]]
//
// CHECK: [[outercont]]
// CHECK: call void @"?fin$0@0@nested___finally___finally_with_eh_edge@@"({{.*}})
// CHECK-NEXT: ret i32 912
//
// CHECK: [[lpad1]]
// CHECK-NEXT: %[[innerpad:[^ ]*]] = cleanuppad
// CHECK: invoke void @"?fin$1@0@nested___finally___finally_with_eh_edge@@"({{.*}})
// CHECK-NEXT: label %[[innercleanupretbb:[^ ]*]] unwind label %[[lpad2:[^ ]*]]
//
// CHECK: [[innercleanupretbb]]
// CHECK-NEXT: cleanupret from %[[innerpad]] unwind label %[[lpad2]]
//
// CHECK: [[lpad2]]
// CHECK-NEXT: %[[outerpad:[^ ]*]] = cleanuppad
// CHECK: call void @"?fin$0@0@nested___finally___finally_with_eh_edge@@"({{.*}})
// CHECK-NEXT: cleanupret from %[[outerpad]] unwind to caller
// CHECK-LABEL: define internal void @"?fin$0@0@nested___finally___finally_with_eh_edge@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: ret void
// CHECK-LABEL: define internal void @"?fin$1@0@nested___finally___finally_with_eh_edge@@"({{.*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: unreachable
void finally_within_finally(void) {
__try {
might_crash();
} __finally {
__try {
might_crash();
} __finally {
}
}
}
// CHECK-LABEL: define dso_local void @finally_within_finally(
// CHECK: invoke void @might_crash(
// CHECK: call void @"?fin$0@0@finally_within_finally@@"(
// CHECK: call void @"?fin$0@0@finally_within_finally@@"({{.*}}) [ "funclet"(
// CHECK-LABEL: define internal void @"?fin$0@0@finally_within_finally@@"({{[^)]*}})
// CHECK-SAME: [[finally_attrs]]
// CHECK: invoke void @might_crash(
// CHECK: call void @"?fin$1@0@finally_within_finally@@"(
// CHECK: call void @"?fin$1@0@finally_within_finally@@"({{.*}}) [ "funclet"(
// CHECK-LABEL: define internal void @"?fin$1@0@finally_within_finally@@"({{[^)]*}})
// CHECK-SAME: [[finally_attrs]]
void cleanup_with_func(const char *);
void finally_with_func(void) {
__try {
might_crash();
} __finally {
cleanup_with_func(__func__);
}
}
// CHECK-LABEL: define internal void @"?fin$0@0@finally_with_func@@"({{[^)]*}})
// CHECK: call void @cleanup_with_func(ptr noundef @"??_C@_0BC@COAGBPGM@finally_with_func?$AA@")
// Look for the absence of noinline. nounwind is expected; any further
// attributes should be string attributes.
// CHECK: attributes [[finally_attrs]] = { nounwind "{{.*}}" }
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