[flang-commits] [flang] ad64355 - [flang] Fix a bug in the `flang` wrapper script

[Andrzej Warzynski via flang-commits]

Author: Andrzej Warzynski
Date: 2022-01-14T16:08:02Z
New Revision: ad643550a529b28e8f50892961f57b0311681603

URL: https://github.com/llvm/llvm-project/commit/ad643550a529b28e8f50892961f57b0311681603
DIFF: https://github.com/llvm/llvm-project/commit/ad643550a529b28e8f50892961f57b0311681603.diff

LOG: [flang] Fix a bug in the `flang` wrapper script

Please see
https://github.com/flang-compiler/f18-llvm-project/issues/1344#issuecomment-1012706527
for context and the discussion.

Differential Revision: https://reviews.llvm.org/D117297

Added: 
    

Modified: 
    flang/tools/f18/flang

Removed: 
    


################################################################################
diff  --git a/flang/tools/f18/flang b/flang/tools/f18/flang
index 3434bd3e60a4c..10b055b098792 100755
--- a/flang/tools/f18/flang
+++ b/flang/tools/f18/flang
@@ -30,8 +30,9 @@ PRINT_VERSION="False"
 
 # === check_bash_version ======================================================
 #
-# Checks the Bash version that's used to run this script. Exits immediately if
-# it's lower than 4.4
+# Checks the Bash version that's used to run this script. Exits immediately
+# with a non-zero return code if it's lower than 4.4. Otherwise returns 0
+# (success).
 # =============================================================================
 check_bash_version() {
   message="Error: Your Bash is too old. Please use Bash >= 4.4"
@@ -42,6 +43,8 @@ check_bash_version() {
   if [[ "${BASH_VERSINFO[0]}" == 4 ]]; then
     [[ "${BASH_VERSINFO[1]:-0}" -lt 4 ]] && echo $message && exit 1
   fi
+
+  return 0
 }
 
 # === parse_args ==============================================================