[clang] 63bb2d5 - [clang] Put original flags on 'Driver args:' crash report line
Nico Weber via cfe-commits
cfe-commits at lists.llvm.org
Mon Sep 27 07:25:02 PDT 2021
Author: Nico Weber
Date: 2021-09-27T10:24:46-04:00
New Revision: 63bb2d585e9760cbc2251f95dfcc335506cad177
URL: https://github.com/llvm/llvm-project/commit/63bb2d585e9760cbc2251f95dfcc335506cad177
DIFF: https://github.com/llvm/llvm-project/commit/63bb2d585e9760cbc2251f95dfcc335506cad177.diff
LOG: [clang] Put original flags on 'Driver args:' crash report line
We used to put the canonical spelling of flags after alias processing
on that line. For clang-cl in particular, that meant that we put flags
on that line that the clang-cl driver doesn't even accept, and the
"Driver args:" line wasn't usable.
Differential Revision: https://reviews.llvm.org/D110458
Added:
clang/test/Driver/crash-report-clang-cl.c
Modified:
clang/lib/Driver/Driver.cpp
Removed:
################################################################################
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index b2fb21b7052a..b32fc6507464 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1216,8 +1216,14 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
static void printArgList(raw_ostream &OS, const llvm::opt::ArgList &Args) {
llvm::opt::ArgStringList ASL;
- for (const auto *A : Args)
+ for (const auto *A : Args) {
+ // Use user's original spelling of flags. For example, use
+ // `/source-charset:utf-8` instead of `-finput-charset=utf-8` if the user
+ // wrote the former.
+ while (A->getAlias())
+ A = A->getAlias();
A->render(Args, ASL);
+ }
for (auto I = ASL.begin(), E = ASL.end(); I != E; ++I) {
if (I != ASL.begin())
diff --git a/clang/test/Driver/crash-report-clang-cl.c b/clang/test/Driver/crash-report-clang-cl.c
new file mode 100644
index 000000000000..c4a89f974777
--- /dev/null
+++ b/clang/test/Driver/crash-report-clang-cl.c
@@ -0,0 +1,24 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+
+// RUN: env TMPDIR=%t TEMP=%t TMP=%t RC_DEBUG_OPTIONS=1 \
+// RUN: not %clang_cl -fsyntax-only /Brepro /source-charset:utf-8 \
+// RUN: -- %s 2>&1 | FileCheck %s
+// RUN: cat %t/crash-report-*.sh | FileCheck --check-prefix=CHECKSH %s
+
+// REQUIRES: crash-recovery
+
+#pragma clang __debug crash
+
+// CHECK: Preprocessed source(s) and associated run script(s) are located at:
+// CHECK-NEXT: note: diagnostic msg: {{.*}}crash-report-clang-cl-{{.*}}.c
+// CHECKSH: # Crash reproducer
+// CHECKSH-NEXT: # Driver args: {{.*}}"-fsyntax-only"
+// CHECKSH-SAME: /Brepro
+// CHECKSH-SAME: /source-charset:utf-8
+// CHECKSH-NOT: -mno-incremental-linker-compatible
+// CHECKSH-NOT: -finput-charset=utf-8
+// CHECKSH-NEXT: # Original command: {{.*$}}
+// CHECKSH-NEXT: "-cc1"
+// CHECKSH: "-main-file-name" "crash-report-clang-cl.c"
+// CHECKSH: "crash-report-{{[^ ]*}}.c"
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