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Do not output a warning about a missing "return" in a function if the function

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exit is unreachable.
This commit is contained in:
Kugel Fuhr
2025-07-17 16:12:48 +02:00
parent ed54e9b168
commit 6d45a94127
6 changed files with 17 additions and 14 deletions
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4
test/misc/Makefile
View File

@@ -156,7 +156,7 @@ $(WORKDIR)/flow-do-01.$1.$2.prg: flow-do-01.c $(ISEQUAL) | $(WORKDIR)
$(if $(QUIET),echo misc/flow-do-01.$1.$2.prg)
$(CC65) -t sim$2 -$1 -o $$@ $$< $(NULLOUT) 2>$(WORKDIR)/flow-do-01.$1.$2.out
$(ISEQUAL) $(WORKDIR)/flow-do-01.$1.$2.out flow-do-01.ref
$(WORKDIR)/flow-if-01.$1.$2.prg: flow-if-01.c $(ISEQUAL) | $(WORKDIR)
$(if $(QUIET),echo misc/flow-if-01.$1.$2.prg)
$(CC65) -t sim$2 -$1 -o $$@ $$< $(NULLOUT) 2>$(WORKDIR)/flow-if-01.$1.$2.out
@@ -182,7 +182,7 @@ $(WORKDIR)/flow-while-02.$1.$2.prg: flow-while-02.c $(ISEQUAL) | $(WORKDIR)
$(CC65) -t sim$2 -$1 -o $$@ $$< $(NULLOUT) 2>$(WORKDIR)/flow-while-02.$1.$2.out
$(ISEQUAL) $(WORKDIR)/flow-while-02.$1.$2.out flow-while-02.ref
$(WORKDIR)/limits.$1.$2.prg: limits.c $(ISEQUAL) | $(WORKDIR)
$(WORKDIR)/limits.$1.$2.prg: limits.c $(ISEQUAL) | $(WORKDIR)
$(if $(QUIET),echo misc/limits.$1.$2.prg)
$(CC65) -t sim$2 -$1 -o $$(@:.prg=.s) $$< $(NULLOUT) $(CATERR)
$(CA65) -t sim$2 -o $$(@:.prg=.o) $$(@:.prg=.s) $(NULLERR)

8
test/misc/flow-do-01.c
View File

@@ -43,7 +43,7 @@ static int f4(void)
static int f5(void)
{
do {
if (a == 2) {
if (a == 2) {
break;
}
return a;
@@ -56,7 +56,7 @@ static int f5(void)
static int f6(void)
{
do {
if (a == 2) {
if (a == 2) {
break;
}
continue;
@@ -69,11 +69,11 @@ static int f6(void)
static int f7(void)
{
do {
if (a == 2) {
if (a == 2) {
return a;
} else {
continue;
}
}
} while (1);
/* Unreachable */
a = 2;

4
test/misc/flow-if-02.c
View File

@@ -14,7 +14,7 @@ static int f2(void)
{
if (0) {
/* Unreachable */
a = 1;
a = 1;
} else {
a = 2;
}
@@ -37,7 +37,7 @@ static int f4(void)
a = 2;
} else {
/* Unreachable */
a = 1;
a = 1;
}
return a;
}

6
test/misc/flow-while-01.c
View File

@@ -47,7 +47,7 @@ static int f5(void)
{
while (1) {
++a;
if (a == 4) goto L;
if (a == 4) goto L;
return a;
}
/* Reachable via L */
@@ -56,8 +56,8 @@ L: a = 2;
static int f6(void)
{
while (0) {
/* Unreachable but no warning */
while (0) {
/* Unreachable but no warning */
}
a = 2;
return a;