[libunwind] [libunwind] Tweak tests for musl support. (PR #85097)

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``````````bash
git-clang-format --diff 960b4aa6dab69125778f230c4c94f2d19c96cc87 6808d20b198bba4f2e062094b89cfc13eac49f85 -- libunwind/test/floatregister.pass.cpp libunwind/test/forceunwind.pass.cpp libunwind/test/signal_unwind.pass.cpp libunwind/test/unwind_leaffunction.pass.cpp
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libunwind/test/floatregister.pass.cpp b/libunwind/test/floatregister.pass.cpp
index e4657c63fd..fb822363d4 100644
--- a/libunwind/test/floatregister.pass.cpp
+++ b/libunwind/test/floatregister.pass.cpp
@@ -28,7 +28,8 @@ _Unwind_Reason_Code frame_handler(struct _Unwind_Context *ctx, void *arg) {
   // Unwind until the main is reached, above frames depend on the platform and
   // architecture.
   uintptr_t ip = _Unwind_GetIP(ctx);
-  if (ip >= (uintptr_t)&__start_main_func && ip < (uintptr_t)&__stop_main_func) {
+  if (ip >= (uintptr_t)&__start_main_func &&
+      ip < (uintptr_t)&__stop_main_func) {
     _Exit(0);
   }
 
diff --git a/libunwind/test/forceunwind.pass.cpp b/libunwind/test/forceunwind.pass.cpp
index feb71fb769..344034e1ea 100644
--- a/libunwind/test/forceunwind.pass.cpp
+++ b/libunwind/test/forceunwind.pass.cpp
@@ -50,7 +50,8 @@ _Unwind_Reason_Code stop(int version, _Unwind_Action actions,
   // Unwind until the main is reached, above frames depend on the platform and
   // architecture.
   uintptr_t ip = _Unwind_GetIP(context);
-  if (ip >= (uintptr_t)&__start_main_func && ip < (uintptr_t)&__stop_main_func) {
+  if (ip >= (uintptr_t)&__start_main_func &&
+      ip < (uintptr_t)&__stop_main_func) {
     _Exit(0);
   }
 
diff --git a/libunwind/test/signal_unwind.pass.cpp b/libunwind/test/signal_unwind.pass.cpp
index 715299e749..beb1514fb2 100644
--- a/libunwind/test/signal_unwind.pass.cpp
+++ b/libunwind/test/signal_unwind.pass.cpp
@@ -42,7 +42,8 @@ _Unwind_Reason_Code frame_handler(struct _Unwind_Context* ctx, void* arg) {
   // Unwind until the main is reached, above frames depend on the platform and
   // architecture.
   uintptr_t ip = _Unwind_GetIP(ctx);
-  if (ip >= (uintptr_t)&__start_main_func && ip < (uintptr_t)&__stop_main_func) {
+  if (ip >= (uintptr_t)&__start_main_func &&
+      ip < (uintptr_t)&__stop_main_func) {
     _Exit(0);
   }
 
@@ -55,7 +56,7 @@ void signal_handler(int signum) {
   _Exit(-1);
 }
 
-__attribute__((section("main_func"))) int main(int, char**) {
+__attribute__((section("main_func"))) int main(int, char **) {
   signal(SIGUSR1, signal_handler);
   kill(getpid(), SIGUSR1);
   return -2;
diff --git a/libunwind/test/unwind_leaffunction.pass.cpp b/libunwind/test/unwind_leaffunction.pass.cpp
index 5826ad2ba9..7415441f50 100644
--- a/libunwind/test/unwind_leaffunction.pass.cpp
+++ b/libunwind/test/unwind_leaffunction.pass.cpp
@@ -42,7 +42,8 @@ _Unwind_Reason_Code frame_handler(struct _Unwind_Context* ctx, void* arg) {
   // Unwind until the main is reached, above frames depend on the platform and
   // architecture.
   uintptr_t ip = _Unwind_GetIP(ctx);
-  if (ip >= (uintptr_t)&__start_main_func && ip < (uintptr_t)&__stop_main_func) {
+  if (ip >= (uintptr_t)&__start_main_func &&
+      ip < (uintptr_t)&__stop_main_func) {
     _Exit(0);
   }
 
@@ -68,7 +69,7 @@ __attribute__((noinline)) void crashing_leaf_func(int do_trap) {
     __builtin_trap();
 }
 
-__attribute__((section("main_func"))) int main(int, char**) {
+__attribute__((section("main_func"))) int main(int, char **) {
   signal(SIGTRAP, signal_handler);
   signal(SIGILL, signal_handler);
   crashing_leaf_func(1);

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https://github.com/llvm/llvm-project/pull/85097