1 files changed, 20 insertions, 0 deletions
diff --git a/gnu/llvm/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp b/gnu/llvm/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp
index 0b92dccde4a..7ef499ce07b 100644
--- a/gnu/llvm/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp
+++ b/gnu/llvm/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp
@@ -19,6 +19,7 @@
 
 #include "sanitizer_common.h"
 #include "sanitizer_file.h"
+#  include "sanitizer_interface_internal.h"
 
 namespace __sanitizer {
 
@@ -75,6 +76,24 @@ void ReportFile::ReopenIfNecessary() {
   fd_pid = pid;
 }
 
+static void RecursiveCreateParentDirs(char *path) {
+  if (path[0] == '\0')
+    return;
+  for (int i = 1; path[i] != '\0'; ++i) {
+    char save = path[i];
+    if (!IsPathSeparator(path[i]))
+      continue;
+    path[i] = '\0';
+    if (!DirExists(path) && !CreateDir(path)) {
+      const char *ErrorMsgPrefix = "ERROR: Can't create directory: ";
+      WriteToFile(kStderrFd, ErrorMsgPrefix, internal_strlen(ErrorMsgPrefix));
+      WriteToFile(kStderrFd, path, internal_strlen(path));
+      Die();
+    }
+    path[i] = save;
+  }
+}
+
 void ReportFile::SetReportPath(const char *path) {
   if (path) {
     uptr len = internal_strlen(path);
@@ -95,6 +114,7 @@ void ReportFile::SetReportPath(const char *path) {
     fd = kStdoutFd;
   } else {
     internal_snprintf(path_prefix, kMaxPathLength, "%s", path);
+    RecursiveCreateParentDirs(path_prefix);
   }
 }