re PR fortran/90329 (Incompatibility between gfortran and C lapack calls)

[gcc.git] / gcc / fortran / lang.opt

diff --git a/gcc/fortran/lang.opt b/gcc/fortran/lang.opt
index 1cb7b6b4f8499ec851193cefcec7748bbf251dd6..2e55aa07e655fb2422f69546ae8607214cd9e199 100644 (file)
--- a/gcc/fortran/lang.opt
+++ b/gcc/fortran/lang.opt
@@ -742,6 +742,13 @@ fsign-zero
 Fortran Var(flag_sign_zero) Init(1)
 Apply negative sign to zero values.
 
+ftail-call-workaround
+Frotran Alias(ftail-call-workaround=,1,0)
+
+ftail-call-workaround=
+Fortran RejectNegative Joined UInteger IntegerRange(0, 2) Var(flag_tail_call_workaround) Init(1)
+Disallow tail call optimization when a calling routine may have omitted character lenghts.
+
 funderscoring
 Fortran Var(flag_underscoring) Init(1)
 Append underscores to externally visible names.