[PATCH] D118150: [clang] Fix serialized diagnostics edge-cases

[Jan Svoboda via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG76cb4cd074a6: [clang] Fix serialized diagnostics edge-cases (authored by jansvoboda11).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118150/new/

https://reviews.llvm.org/D118150

Files:
  clang/lib/Frontend/CompilerInstance.cpp
  clang/test/Misc/serialized-diags-emit-header-module-misconfig.c
  clang/test/Misc/serialized-diags-unknown-argument.c
  clang/test/Misc/serialized-diags-unknown-target.c
  clang/tools/driver/cc1_main.cpp


Index: clang/tools/driver/cc1_main.cpp
===================================================================
--- clang/tools/driver/cc1_main.cpp
+++ clang/tools/driver/cc1_main.cpp
@@ -237,8 +237,10 @@
                                   static_cast<void*>(&Clang->getDiagnostics()));
 
   DiagsBuffer->FlushDiagnostics(Clang->getDiagnostics());
-  if (!Success)
+  if (!Success) {
+    Clang->getDiagnosticClient().finish();
     return 1;
+  }
 
   // Execute the frontend actions.
   {
Index: clang/test/Misc/serialized-diags-unknown-target.c
===================================================================
--- /dev/null
+++ clang/test/Misc/serialized-diags-unknown-target.c
@@ -0,0 +1,4 @@
+// RUN: rm -rf %t && mkdir %t
+// RUN: not %clang_cc1 %s -triple blah-unknown-unknown -serialize-diagnostic-file %t/diag -o /dev/null 2>&1 | FileCheck %s
+
+// CHECK: error: unknown target triple 'blah-unknown-unknown', please use -triple or -arch
Index: clang/test/Misc/serialized-diags-unknown-argument.c
===================================================================
--- /dev/null
+++ clang/test/Misc/serialized-diags-unknown-argument.c
@@ -0,0 +1,4 @@
+// RUN: rm -rf %t && mkdir %t
+// RUN: not %clang_cc1 %s -unknown-argument -serialize-diagnostic-file %t/diag -o /dev/null 2>&1 | FileCheck %s
+
+// CHECK: error: unknown argument: '-unknown-argument'
Index: clang/test/Misc/serialized-diags-emit-header-module-misconfig.c
===================================================================
--- /dev/null
+++ clang/test/Misc/serialized-diags-emit-header-module-misconfig.c
@@ -0,0 +1,4 @@
+// RUN: rm -rf %t && mkdir %t
+// RUN: not %clang_cc1 -emit-header-module %s -o %t/out.pcm -serialize-diagnostic-file %t/diag 2>&1 | FileCheck %s
+
+// CHECK: error: header module compilation requires '-fmodules', '-std=c++20', or '-fmodules-ts'
Index: clang/lib/Frontend/CompilerInstance.cpp
===================================================================
--- clang/lib/Frontend/CompilerInstance.cpp
+++ clang/lib/Frontend/CompilerInstance.cpp
@@ -37,6 +37,7 @@
 #include "clang/Serialization/ASTReader.h"
 #include "clang/Serialization/GlobalModuleIndex.h"
 #include "clang/Serialization/InMemoryModuleCache.h"
+#include "llvm/ADT/ScopeExit.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Support/BuryPointer.h"
 #include "llvm/Support/CrashRecoveryContext.h"
@@ -996,6 +997,11 @@
   // DesiredStackSpace available.
   noteBottomOfStack();
 
+  auto FinishDiagnosticClient = llvm::make_scope_exit([&]() {
+    // Notify the diagnostic client that all files were processed.
+    getDiagnosticClient().finish();
+  });
+
   raw_ostream &OS = getVerboseOutputStream();
 
   if (!Act.PrepareToExecute(*this))
@@ -1034,9 +1040,6 @@
     }
   }
 
-  // Notify the diagnostic client that all files were processed.
-  getDiagnostics().getClient()->finish();
-
   if (getDiagnosticOpts().ShowCarets) {
     // We can have multiple diagnostics sharing one diagnostic client.
     // Get the total number of warnings/errors from the client.


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