Add Perl_croak_no_modify() to implement Perl_croak("%s", PL_no_modify).

This reduces object code size, reducing CPU cache pressure on the non-exception
paths.

1 files changed, 3 insertions, 3 deletions

diff --git a/doop.c b/doop.c
index c43ecb111c..c1a357cc3e 100644
--- a/doop.c
+++ b/doop.c
@@ -635,7 +635,7 @@ Perl_do_trans(pTHX_ SV *sv)
         if (SvIsCOW(sv))
             sv_force_normal_flags(sv, 0);
         if (SvREADONLY(sv))
-            Perl_croak(aTHX_ "%s", PL_no_modify);
+            Perl_croak_no_modify(aTHX);
     }
     (void)SvPV_const(sv, len);
     if (!len)
@@ -1017,7 +1017,7 @@ Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
 	    sv_force_normal_flags(sv, 0);
         }
         if (SvREADONLY(sv))
-            Perl_croak(aTHX_ "%s", PL_no_modify);
+            Perl_croak_no_modify(aTHX);
     }
 
     if (PL_encoding && !SvUTF8(sv)) {
@@ -1103,7 +1103,7 @@ Perl_do_chomp(pTHX_ register SV *sv)
 	    sv_force_normal_flags(sv, 0);
         }
         if (SvREADONLY(sv))
-            Perl_croak(aTHX_ "%s", PL_no_modify);
+            Perl_croak_no_modify(aTHX);
     }
 
     if (PL_encoding) {