[clang] f951a6b - Fix potentially uninitialized memory
Mikhail Goncharov via cfe-commits
cfe-commits at lists.llvm.org
Wed Jun 1 06:32:37 PDT 2022
Author: Mikhail Goncharov
Date: 2022-06-01T15:31:37+02:00
New Revision: f951a6b2f37baf6ae832318fcca9ba4121c29529
URL: https://github.com/llvm/llvm-project/commit/f951a6b2f37baf6ae832318fcca9ba4121c29529
DIFF: https://github.com/llvm/llvm-project/commit/f951a6b2f37baf6ae832318fcca9ba4121c29529.diff
LOG: Fix potentially uninitialized memory
For https://github.com/llvm/llvm-project/commit/7d76d6095880f34914d85d876b260cc4a4ea640d
Added:
Modified:
clang/tools/driver/driver.cpp
Removed:
################################################################################
diff --git a/clang/tools/driver/driver.cpp b/clang/tools/driver/driver.cpp
index c9aee57d92cf4..d361457f8cecd 100644
--- a/clang/tools/driver/driver.cpp
+++ b/clang/tools/driver/driver.cpp
@@ -505,7 +505,9 @@ int main(int Argc, const char **Argv) {
bool IsCrash = false;
Driver::CommandStatus CommandStatus = Driver::CommandStatus::Ok;
// Pretend the first command failed if ReproStatus is Always.
- const Command *FailingCommand = &*C->getJobs().begin();
+ const Command *FailingCommand = nullptr;
+ if (!C->getJobs().empty())
+ FailingCommand = &*C->getJobs().begin();
if (C && !C->containsError()) {
SmallVector<std::pair<int, const Command *>, 4> FailingCommands;
Res = TheDriver.ExecuteCompilation(*C, FailingCommands);
@@ -542,8 +544,9 @@ int main(int Argc, const char **Argv) {
// crash, but only if we're crashing due to FORCE_CLANG_DIAGNOSTICS_CRASH.
if (::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH"))
llvm::dbgs() << llvm::getBugReportMsg();
- if (TheDriver.maybeGenerateCompilationDiagnostics(CommandStatus, ReproLevel,
- *C, *FailingCommand))
+ if (FailingCommand != nullptr &&
+ TheDriver.maybeGenerateCompilationDiagnostics(CommandStatus, ReproLevel,
+ *C, *FailingCommand))
Res = 1;
Diags.getClient()->finish();
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