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authorHarald Anlauf <anlauf@gmx.de>2021-05-05 15:25:50 +0200
committerHarald Anlauf <anlauf@gmx.de>2021-05-05 15:25:50 +0200
commita8b79cc939d6786293f654c42a2d1b0ab040de0e (patch)
tree03f0d8b2532c9e139e588d1fdd1ab1c8fe494560 /gcc/fortran/trans-expr.c
parentf3661f2d63fbc5fd30c24d22137691e16b0a0a17 (diff)
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PR fortran/100274 - ICE in gfc_conv_procedure_call, at fortran/trans-expr.c:6131
When the check for the length of formal and actual character arguments found a mismatch and emitted a warning, it would skip further checks like that could lead to errors. Fix that by continuing the checking. Also catch a NULL pointer dereference. gcc/fortran/ChangeLog: PR fortran/100274 * interface.c (gfc_compare_actual_formal): Continue checks after emitting warning for argument length mismatch. * trans-expr.c (gfc_conv_procedure_call): Check for NULL pointer dereference. gcc/testsuite/ChangeLog: PR fortran/100274 * gfortran.dg/argument_checking_25.f90: New test.
Diffstat (limited to 'gcc/fortran/trans-expr.c')
-rw-r--r--gcc/fortran/trans-expr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index b83b021..9389a45 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -6125,6 +6125,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
bool add_clobber;
add_clobber = fsym && fsym->attr.intent == INTENT_OUT
&& !fsym->attr.allocatable && !fsym->attr.pointer
+ && e->symtree && e->symtree->n.sym
&& !e->symtree->n.sym->attr.dimension
&& !e->symtree->n.sym->attr.pointer
&& !e->symtree->n.sym->attr.allocatable