250906.170643.CST [skip ci] revise flsrc

Author: zaikunzhang

fortran/tests/tools/flsrc

@@ -16,14 +16,15 @@ if [[ -f "$LINALG" ]] ; then
     STR="Y is NaN if and only if X contains NaN"
     sed -i "/$STR/d" "$LINALG"
 
-    # With flang-new 20.1.8, matprod in linalg.f90 often fails to compute matrix multiplications
-    # correctly, generating garbage values (NaN or numbers that are nearly zero). No idea why.
-    # The following is a workaround the replaces matprod with the intrinsic matmul.
-    # Remove this and test again when flang is updated.
-    if [[ -f "$GET_INTRISIC_LINALG" ]] ; then
-        bash "$GET_INTRISIC_LINALG"
-        mv "$INTRINSIC_LINALG" "$LINALG"
-    fi
+    # # With flang-new 20.1.8, matprod in linalg.f90 often fails to compute matrix multiplications
+    # # correctly, generating garbage values (NaN or numbers that are nearly zero). No idea why.
+    # # The following is a workaround the replaces matprod with the intrinsic matmul.
+    # # Remove this and test again when flang is updated.
+    # Update 20250906: With flang-new 21.1.0, matprod seems to work fine now.
+    # if [[ -f "$GET_INTRISIC_LINALG" ]] ; then
+    #     bash "$GET_INTRISIC_LINALG"
+    #     mv "$INTRINSIC_LINALG" "$LINALG"
+    # fi
 fi
 
 exit 0