[NFC] [sanitizer] get rid of references to fsanitize-top-hot (llvm#145810)

That flag does not exist.

Author: fmayer

clang/lib/Driver/SanitizerArgs.cpp

@@ -740,7 +740,7 @@ SanitizerArgs::SanitizerArgs(const ToolChain &TC,
                         options::OPT_fno_sanitize_merge_handlers_EQ);
   MergeKinds &= Kinds;
 
-  // Parse -fno-sanitize-top-hot flags
+  // Parse -fno-fsanitize-skip-hot-cutoff flags
   SkipHotCutoffs = parseSanitizeSkipHotCutoffArgs(D, Args, DiagnoseErrors);
 
   // Parse -f(no-)?sanitize-annotate-debug-info flags

clang/test/Driver/fsanitize.c

@@ -1284,18 +1284,18 @@
 // RUN: not %clang --target=x86_64-linux-gnu -fsanitize-skip-hot-cutoff=undefined=xyzzy %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SKIP-HOT-CUTOFF8
 // CHECK-SKIP-HOT-CUTOFF8: unsupported argument 'undefined=xyzzy' to option '-fsanitize-skip-hot-cutoff='
 
-// Invalid: -fno-sanitize-top without parameters
+// Invalid: -fsanitize-skip-hot-cutoff without parameters
 // RUN: not %clang --target=x86_64-linux-gnu -fsanitize-skip-hot-cutoff %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SKIP-HOT-CUTOFF9
 // CHECK-SKIP-HOT-CUTOFF9: unknown argument: '-fsanitize-skip-hot-cutoff'
 
-// Invalid: -fno-sanitize-top=undefined without cutoff
+// Invalid: -fsanitize-skip-hot-cutoff=undefined without cutoff
 // RUN: not %clang --target=x86_64-linux-gnu -fsanitize-skip-hot-cutoff=undefined %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SKIP-HOT-CUTOFF10
 // CHECK-SKIP-HOT-CUTOFF10: unsupported argument 'undefined' to option '-fsanitize-skip-hot-cutoff='
 
-// Invalid: -fno-sanitize-top=undefined= without cutoff
+// Invalid: -fsanitize-skip-hot-cutoff=undefined= without cutoff
 // RUN: not %clang --target=x86_64-linux-gnu -fsanitize-skip-hot-cutoff=undefined= %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SKIP-HOT-CUTOFF11
 // CHECK-SKIP-HOT-CUTOFF11: unsupported argument 'undefined=' to option '-fsanitize-skip-hot-cutoff='
 
-// No-op: -fno-sanitize-top= without parameters is unusual but valid
+// No-op: -fsanitize-skip-hot-cutoff= without parameters is unusual but valid
 // RUN: %clang -Werror --target=x86_64-linux-gnu -fsanitize-skip-hot-cutoff= %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SKIP-HOT-CUTOFF12
 // CHECK-SKIP-HOT-CUTOFF12-NOT: "-fsanitize-skip-hot-cutoff"