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author | Joseph Myers <joseph@codesourcery.com> | 2004-10-30 09:50:31 +0100 |
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committer | Joseph Myers <jsm28@gcc.gnu.org> | 2004-10-30 09:50:31 +0100 |
commit | 46097c763954059fdbd8fa5859c3a6a744096d8b (patch) | |
tree | f14d7c8e29c272504247e1d4eb33a70e85877d14 /gcc/testsuite | |
parent | 514a3b1100835a73bc91d2bfcc897929a792e85b (diff) | |
download | gcc-46097c763954059fdbd8fa5859c3a6a744096d8b.zip gcc-46097c763954059fdbd8fa5859c3a6a744096d8b.tar.gz gcc-46097c763954059fdbd8fa5859c3a6a744096d8b.tar.bz2 |
re PR c/16666 (dremf type conflict)
PR c/16666
* c-decl.c (start_function): Don't check for DECL_BUILT_IN when
determining whether to copy parameter types from a previous
prototype declaration.
testsuite:
* gcc.dg/dremf-type-compat-1.c, gcc.dg/dremf-type-compat-2.c,
gcc.dg/dremf-type-compat-3.c, gcc.dg/dremf-type-compat-4.c,
gcc.dg/old-style-prom-1.c, gcc.dg/old-style-prom-2.c,
gcc.dg/old-style-prom-3.c: New tests.
From-SVN: r89883
Diffstat (limited to 'gcc/testsuite')
-rw-r--r-- | gcc/testsuite/ChangeLog | 8 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/dremf-type-compat-1.c | 16 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/dremf-type-compat-2.c | 18 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/dremf-type-compat-3.c | 18 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/dremf-type-compat-4.c | 13 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/old-style-prom-1.c | 13 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/old-style-prom-2.c | 14 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/old-style-prom-3.c | 14 |
8 files changed, 114 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 804e51b..7ccc30d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2004-10-30 Joseph S. Myers <joseph@codesourcery.com> + + PR c/16666 + * gcc.dg/dremf-type-compat-1.c, gcc.dg/dremf-type-compat-2.c, + gcc.dg/dremf-type-compat-3.c, gcc.dg/dremf-type-compat-4.c, + gcc.dg/old-style-prom-1.c, gcc.dg/old-style-prom-2.c, + gcc.dg/old-style-prom-3.c: New tests. + 2004-10-30 Danny Smith <dannysmith@users.sourceforge.net> * gcc.dg/bf-ms-attrib.c: Add protototype for abort. diff --git a/gcc/testsuite/gcc.dg/dremf-type-compat-1.c b/gcc/testsuite/gcc.dg/dremf-type-compat-1.c new file mode 100644 index 0000000..79c55ef --- /dev/null +++ b/gcc/testsuite/gcc.dg/dremf-type-compat-1.c @@ -0,0 +1,16 @@ +/* Test for bogus diagnostics for dremf definition. Although this + definition is formally incorrect in ISO C, a GNU extension permits + a prototype followed by unpromoted types in a function definition, + so it should be permitted when the function is built in. Bug + 16666. */ +/* { dg-do compile } */ +/* { dg-options "" } */ + +float dremf (float, float); + +float +dremf (x, y) + float x, y; +{ + return x + y; +} diff --git a/gcc/testsuite/gcc.dg/dremf-type-compat-2.c b/gcc/testsuite/gcc.dg/dremf-type-compat-2.c new file mode 100644 index 0000000..101da65 --- /dev/null +++ b/gcc/testsuite/gcc.dg/dremf-type-compat-2.c @@ -0,0 +1,18 @@ +/* Test for bogus diagnostics for dremf definition. Although this + definition is formally incorrect in ISO C, a GNU extension permits + a prototype followed by unpromoted types in a function definition, + so it should be permitted when the function is built in. Bug + 16666. Test with -pedantic, where the problem should still be + diagnosed. */ +/* { dg-do compile } */ +/* { dg-options "-pedantic" } */ + +float dremf (float, float); /* { dg-warning "warning: prototype declaration" } */ + +float +dremf (x, y) + float x; + float y; +{ /* { dg-warning "warning: promoted argument '.' doesn't match prototype" } */ + return x + y; +} diff --git a/gcc/testsuite/gcc.dg/dremf-type-compat-3.c b/gcc/testsuite/gcc.dg/dremf-type-compat-3.c new file mode 100644 index 0000000..ff0f509 --- /dev/null +++ b/gcc/testsuite/gcc.dg/dremf-type-compat-3.c @@ -0,0 +1,18 @@ +/* Test for bogus diagnostics for dremf definition. Although this + definition is formally incorrect in ISO C, a GNU extension permits + a prototype followed by unpromoted types in a function definition, + so it should be permitted when the function is built in. Bug + 16666. Test with -pedantic-errors, where the problem should still + be diagnosed. */ +/* { dg-do compile } */ +/* { dg-options "-pedantic-errors" } */ + +float dremf (float, float); /* { dg-error "error: prototype declaration" } */ + +float +dremf (x, y) + float x; + float y; +{ /* { dg-error "error: promoted argument '.' doesn't match prototype" } */ + return x + y; +} diff --git a/gcc/testsuite/gcc.dg/dremf-type-compat-4.c b/gcc/testsuite/gcc.dg/dremf-type-compat-4.c new file mode 100644 index 0000000..6355fad --- /dev/null +++ b/gcc/testsuite/gcc.dg/dremf-type-compat-4.c @@ -0,0 +1,13 @@ +/* Test for bogus diagnostics for dremf definition, as in bug 16666. + The GNU extension permitting a prototype to override the promotion + of old-style parameter declarations should only apply when the + prototype is visible, not for a built-in prototype. */ +/* { dg-do compile } */ +/* { dg-options "" } */ + +float +dremf(x, y) + float x, y; /* { dg-warning "warning: conflicting types for built-in function 'dremf'" } */ +{ + return x + y; +} diff --git a/gcc/testsuite/gcc.dg/old-style-prom-1.c b/gcc/testsuite/gcc.dg/old-style-prom-1.c new file mode 100644 index 0000000..165ff98 --- /dev/null +++ b/gcc/testsuite/gcc.dg/old-style-prom-1.c @@ -0,0 +1,13 @@ +/* Test for prototype followed by old-style definition, as in + dremf-type-compat-1.c but with a non-built-in function. */ +/* { dg-do compile } */ +/* { dg-options "" } */ + +float f (float, float); + +float +f (x, y) + float x, y; +{ + return x + y; +} diff --git a/gcc/testsuite/gcc.dg/old-style-prom-2.c b/gcc/testsuite/gcc.dg/old-style-prom-2.c new file mode 100644 index 0000000..5f4d877 --- /dev/null +++ b/gcc/testsuite/gcc.dg/old-style-prom-2.c @@ -0,0 +1,14 @@ +/* Test for prototype followed by old-style definition, as in + dremf-type-compat-2.c but with a non-built-in function. */ +/* { dg-do compile } */ +/* { dg-options "-pedantic" } */ + +float f (float, float); /* { dg-warning "warning: prototype declaration" } */ + +float +f (x, y) + float x; + float y; +{ /* { dg-warning "warning: promoted argument '.' doesn't match prototype" } */ + return x + y; +} diff --git a/gcc/testsuite/gcc.dg/old-style-prom-3.c b/gcc/testsuite/gcc.dg/old-style-prom-3.c new file mode 100644 index 0000000..19bbc8c --- /dev/null +++ b/gcc/testsuite/gcc.dg/old-style-prom-3.c @@ -0,0 +1,14 @@ +/* Test for prototype followed by old-style definition, as in + dremf-type-compat-3.c but with a non-built-in function. */ +/* { dg-do compile } */ +/* { dg-options "-pedantic-errors" } */ + +float f (float, float); /* { dg-error "error: prototype declaration" } */ + +float +f (x, y) + float x; + float y; +{ /* { dg-error "error: promoted argument '.' doesn't match prototype" } */ + return x + y; +} |