[gcc r14-9647] PR modula2/114443 missing quote cause ICE

[Gaius Mulley]

https://gcc.gnu.org/g:c8a343f9f8602f4e6c1b385ddbeb58572234d447

commit r14-9647-gc8a343f9f8602f4e6c1b385ddbeb58572234d447
Author: Gaius Mulley <gaiusmod2@gmail.com>
Date:   Sat Mar 23 15:49:23 2024 +0000

    PR modula2/114443 missing quote cause ICE
    
    This patch inserts a missing quotation at the end of a line
    if required (after an appropiate error message is generated).
    
    gcc/m2/ChangeLog:
    
            PR modula2/114443
            * m2.flex: Call AddTokCharStar with a stringtok if
            end of line is reached without a closing quote.
    
    gcc/testsuite/ChangeLog:
    
            PR modula2/114443
            * gm2/pim/fail/missingquote.mod: New test.
    
    Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>

Diff:
---
 gcc/m2/m2.flex                              | 2 ++
 gcc/testsuite/gm2/pim/fail/missingquote.mod | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/gcc/m2/m2.flex b/gcc/m2/m2.flex
index f8f5ce64ad3..e8ee383878e 100644
--- a/gcc/m2/m2.flex
+++ b/gcc/m2/m2.flex
@@ -188,12 +188,14 @@ extern  void  yylex                   (void);
 \"[^\"\n]*\"               { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext); return; }
 \"[^\"\n]*$                { updatepos();
                              m2flex_M2Error("missing terminating quote, \"");
+			     M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext);
                              resetpos(); return;
                            }
 
 '[^'\n]*'                  { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext); return; }
 '[^'\n]*$                  { updatepos();
                              m2flex_M2Error("missing terminating quote, '");
+			     M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext);
                              resetpos(); return;
                            }
 
diff --git a/gcc/testsuite/gm2/pim/fail/missingquote.mod b/gcc/testsuite/gm2/pim/fail/missingquote.mod
new file mode 100644
index 00000000000..e78f0e339ac
--- /dev/null
+++ b/gcc/testsuite/gm2/pim/fail/missingquote.mod
@@ -0,0 +1,8 @@
+MODULE missingquote ;
+
+CONST
+   MyConst = 'foobar
+
+BEGIN
+
+END missingquote.